Home / 157,514.75-217,362.45-89,522.75

Finding the Fourth Proportional to 157,514.75, 217,362.45 and 89,522.75

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Solution

The fourth proportional to 157,514.75, 217,362.45 and 89,522.75 is: 123,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,514.75 : 217,362.45 = 89,522.75 : x
  2. Step 2: Convert to fraction form
    157,514.75/217,362.45 = 89,522.75/x
  3. Step 3: Cross multiply
    157,514.75x = 217,362.45 × 89,522.75
  4. Step 4: Simplify right side
    157,514.75x = 19,458,884,270.74
  5. Step 5: Solve for x
    x = 19,458,884,270.74/157,514.75
  6. Step 6: Final answer
    x = 123,536.90

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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.