Home / 157,514.32-217,411.20-89,571.12

Finding the Fourth Proportional to 157,514.32, 217,411.20 and 89,571.12

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Solution

The fourth proportional to 157,514.32, 217,411.20 and 89,571.12 is: 123,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,514.32 : 217,411.20 = 89,571.12 : x
  2. Step 2: Convert to fraction form
    157,514.32/217,411.20 = 89,571.12/x
  3. Step 3: Cross multiply
    157,514.32x = 217,411.20 × 89,571.12
  4. Step 4: Simplify right side
    157,514.32x = 19,473,764,684.54
  5. Step 5: Solve for x
    x = 19,473,764,684.54/157,514.32
  6. Step 6: Final answer
    x = 123,631.71

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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.