Home / 157,535.42-217,390.23-89,542.94

Finding the Fourth Proportional to 157,535.42, 217,390.23 and 89,542.94

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Solution

The fourth proportional to 157,535.42, 217,390.23 and 89,542.94 is: 123,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,535.42 : 217,390.23 = 89,542.94 : x
  2. Step 2: Convert to fraction form
    157,535.42/217,390.23 = 89,542.94/x
  3. Step 3: Cross multiply
    157,535.42x = 217,390.23 × 89,542.94
  4. Step 4: Simplify right side
    157,535.42x = 19,465,759,234.53
  5. Step 5: Solve for x
    x = 19,465,759,234.53/157,535.42
  6. Step 6: Final answer
    x = 123,564.34

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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.