Home / 157,494.38-217,345.83-89,500.64

Finding the Fourth Proportional to 157,494.38, 217,345.83 and 89,500.64

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Solution

The fourth proportional to 157,494.38, 217,345.83 and 89,500.64 is: 123,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,494.38 : 217,345.83 = 89,500.64 : x
  2. Step 2: Convert to fraction form
    157,494.38/217,345.83 = 89,500.64/x
  3. Step 3: Cross multiply
    157,494.38x = 217,345.83 × 89,500.64
  4. Step 4: Simplify right side
    157,494.38x = 19,452,590,886.33
  5. Step 5: Solve for x
    x = 19,452,590,886.33/157,494.38
  6. Step 6: Final answer
    x = 123,512.92

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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.