Home / 157,470.24-217,301.04-89,478.24

Finding the Fourth Proportional to 157,470.24, 217,301.04 and 89,478.24

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Solution

The fourth proportional to 157,470.24, 217,301.04 and 89,478.24 is: 123,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470.24 : 217,301.04 = 89,478.24 : x
  2. Step 2: Convert to fraction form
    157,470.24/217,301.04 = 89,478.24/x
  3. Step 3: Cross multiply
    157,470.24x = 217,301.04 × 89,478.24
  4. Step 4: Simplify right side
    157,470.24x = 19,443,714,609.37
  5. Step 5: Solve for x
    x = 19,443,714,609.37/157,470.24
  6. Step 6: Final answer
    x = 123,475.49

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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.