Home / 176,356,426.40-243,013,261.51-136,421,449.04

Finding the Fourth Proportional to 176,356,426.40, 243,013,261.51 and 136,421,449.04

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Solution

The fourth proportional to 176,356,426.40, 243,013,261.51 and 136,421,449.04 is: 187,984,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,356,426.40 : 243,013,261.51 = 136,421,449.04 : x
  2. Step 2: Convert to fraction form
    176,356,426.40/243,013,261.51 = 136,421,449.04/x
  3. Step 3: Cross multiply
    176,356,426.40x = 243,013,261.51 × 136,421,449.04
  4. Step 4: Simplify right side
    176,356,426.40x = 33,152,221,269,776,292
  5. Step 5: Solve for x
    x = 33,152,221,269,776,292/176,356,426.40
  6. Step 6: Final answer
    x = 187,984,197.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.