Home / 257,529.90-386,294.85-173,549.10

Finding the Fourth Proportional to 257,529.90, 386,294.85 and 173,549.10

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Solution

The fourth proportional to 257,529.90, 386,294.85 and 173,549.10 is: 260,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,529.90 : 386,294.85 = 173,549.10 : x
  2. Step 2: Convert to fraction form
    257,529.90/386,294.85 = 173,549.10/x
  3. Step 3: Cross multiply
    257,529.90x = 386,294.85 × 173,549.10
  4. Step 4: Simplify right side
    257,529.90x = 67,041,123,552.14
  5. Step 5: Solve for x
    x = 67,041,123,552.14/257,529.90
  6. Step 6: Final answer
    x = 260,323.65

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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.