Home / 351,356.10-527,035.50-85,116.12

Finding the Fourth Proportional to 351,356.10, 527,035.50 and 85,116.12

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Solution

The fourth proportional to 351,356.10, 527,035.50 and 85,116.12 is: 127,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,356.10 : 527,035.50 = 85,116.12 : x
  2. Step 2: Convert to fraction form
    351,356.10/527,035.50 = 85,116.12/x
  3. Step 3: Cross multiply
    351,356.10x = 527,035.50 × 85,116.12
  4. Step 4: Simplify right side
    351,356.10x = 44,859,216,862.26
  5. Step 5: Solve for x
    x = 44,859,216,862.26/351,356.10
  6. Step 6: Final answer
    x = 127,674.51

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1.5x scale

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.