Home / 351,554.28-527,223.64-126,887.28

Finding the Fourth Proportional to 351,554.28, 527,223.64 and 126,887.28

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Solution

The fourth proportional to 351,554.28, 527,223.64 and 126,887.28 is: 190,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,554.28 : 527,223.64 = 126,887.28 : x
  2. Step 2: Convert to fraction form
    351,554.28/527,223.64 = 126,887.28/x
  3. Step 3: Cross multiply
    351,554.28x = 527,223.64 × 126,887.28
  4. Step 4: Simplify right side
    351,554.28x = 66,897,973,631.30
  5. Step 5: Solve for x
    x = 66,897,973,631.30/351,554.28
  6. Step 6: Final answer
    x = 190,292.02

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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.