Home / 243,686.40-336,318.48-136,263.12

Finding the Fourth Proportional to 243,686.40, 336,318.48 and 136,263.12

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Solution

The fourth proportional to 243,686.40, 336,318.48 and 136,263.12 is: 188,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,686.40 : 336,318.48 = 136,263.12 : x
  2. Step 2: Convert to fraction form
    243,686.40/336,318.48 = 136,263.12/x
  3. Step 3: Cross multiply
    243,686.40x = 336,318.48 × 136,263.12
  4. Step 4: Simplify right side
    243,686.40x = 45,827,805,398.46
  5. Step 5: Solve for x
    x = 45,827,805,398.46/243,686.40
  6. Step 6: Final answer
    x = 188,060.58

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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.