Home / 157,521.80-217,385.82-89,550.24

Finding the Fourth Proportional to 157,521.80, 217,385.82 and 89,550.24

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Solution

The fourth proportional to 157,521.80, 217,385.82 and 89,550.24 is: 123,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,521.80 : 217,385.82 = 89,550.24 : x
  2. Step 2: Convert to fraction form
    157,521.80/217,385.82 = 89,550.24/x
  3. Step 3: Cross multiply
    157,521.80x = 217,385.82 × 89,550.24
  4. Step 4: Simplify right side
    157,521.80x = 19,466,952,353.60
  5. Step 5: Solve for x
    x = 19,466,952,353.60/157,521.80
  6. Step 6: Final answer
    x = 123,582.60

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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.