Home / 157,601.96-217,481.86-89,609.40

Finding the Fourth Proportional to 157,601.96, 217,481.86 and 89,609.40

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Solution

The fourth proportional to 157,601.96, 217,481.86 and 89,609.40 is: 123,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,601.96 : 217,481.86 = 89,609.40 : x
  2. Step 2: Convert to fraction form
    157,601.96/217,481.86 = 89,609.40/x
  3. Step 3: Cross multiply
    157,601.96x = 217,481.86 × 89,609.40
  4. Step 4: Simplify right side
    157,601.96x = 19,488,418,985.48
  5. Step 5: Solve for x
    x = 19,488,418,985.48/157,601.96
  6. Step 6: Final answer
    x = 123,655.94

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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.