Home / 351,902.32-527,742-127,233.02

Finding the Fourth Proportional to 351,902.32, 527,742 and 127,233.02

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Solution

The fourth proportional to 351,902.32, 527,742 and 127,233.02 is: 190,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,902.32 : 527,742 = 127,233.02 : x
  2. Step 2: Convert to fraction form
    351,902.32/527,742 = 127,233.02/x
  3. Step 3: Cross multiply
    351,902.32x = 527,742 × 127,233.02
  4. Step 4: Simplify right side
    351,902.32x = 67,146,209,760.20
  5. Step 5: Solve for x
    x = 67,146,209,760.20/351,902.32
  6. Step 6: Final answer
    x = 190,809.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.