Home / 268,191.15-370,178.28-153,534.03

Finding the Fourth Proportional to 268,191.15, 370,178.28 and 153,534.03

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Solution

The fourth proportional to 268,191.15, 370,178.28 and 153,534.03 is: 211,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,191.15 : 370,178.28 = 153,534.03 : x
  2. Step 2: Convert to fraction form
    268,191.15/370,178.28 = 153,534.03/x
  3. Step 3: Cross multiply
    268,191.15x = 370,178.28 × 153,534.03
  4. Step 4: Simplify right side
    268,191.15x = 56,834,963,146.87
  5. Step 5: Solve for x
    x = 56,834,963,146.87/268,191.15
  6. Step 6: Final answer
    x = 211,919.61

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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.