Home / 157,251.17-217,004.46-89,267.54

Finding the Fourth Proportional to 157,251.17, 217,004.46 and 89,267.54

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Solution

The fourth proportional to 157,251.17, 217,004.46 and 89,267.54 is: 123,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,251.17 : 217,004.46 = 89,267.54 : x
  2. Step 2: Convert to fraction form
    157,251.17/217,004.46 = 89,267.54/x
  3. Step 3: Cross multiply
    157,251.17x = 217,004.46 × 89,267.54
  4. Step 4: Simplify right side
    157,251.17x = 19,371,454,855.74
  5. Step 5: Solve for x
    x = 19,371,454,855.74/157,251.17
  6. Step 6: Final answer
    x = 123,187.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.