Home / 157,610.14-217,502.72-85,991.65

Finding the Fourth Proportional to 157,610.14, 217,502.72 and 85,991.65

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Solution

The fourth proportional to 157,610.14, 217,502.72 and 85,991.65 is: 118,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,610.14 : 217,502.72 = 85,991.65 : x
  2. Step 2: Convert to fraction form
    157,610.14/217,502.72 = 85,991.65/x
  3. Step 3: Cross multiply
    157,610.14x = 217,502.72 × 85,991.65
  4. Step 4: Simplify right side
    157,610.14x = 18,703,417,342.33
  5. Step 5: Solve for x
    x = 18,703,417,342.33/157,610.14
  6. Step 6: Final answer
    x = 118,668.87

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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.