Home / 157,540.42-217,397.24-89,547.96

Finding the Fourth Proportional to 157,540.42, 217,397.24 and 89,547.96

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Solution

The fourth proportional to 157,540.42, 217,397.24 and 89,547.96 is: 123,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,540.42 : 217,397.24 = 89,547.96 : x
  2. Step 2: Convert to fraction form
    157,540.42/217,397.24 = 89,547.96/x
  3. Step 3: Cross multiply
    157,540.42x = 217,397.24 × 89,547.96
  4. Step 4: Simplify right side
    157,540.42x = 19,467,479,351.63
  5. Step 5: Solve for x
    x = 19,467,479,351.63/157,540.42
  6. Step 6: Final answer
    x = 123,571.33

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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.