Home / 259,125.16-388,332.96-132,500.56

Finding the Fourth Proportional to 259,125.16, 388,332.96 and 132,500.56

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Solution

The fourth proportional to 259,125.16, 388,332.96 and 132,500.56 is: 198,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,125.16 : 388,332.96 = 132,500.56 : x
  2. Step 2: Convert to fraction form
    259,125.16/388,332.96 = 132,500.56/x
  3. Step 3: Cross multiply
    259,125.16x = 388,332.96 × 132,500.56
  4. Step 4: Simplify right side
    259,125.16x = 51,454,334,666.46
  5. Step 5: Solve for x
    x = 51,454,334,666.46/259,125.16
  6. Step 6: Final answer
    x = 198,569.43

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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.