Home / 157,646.33-217,550.14-86,027.57

Finding the Fourth Proportional to 157,646.33, 217,550.14 and 86,027.57

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Solution

The fourth proportional to 157,646.33, 217,550.14 and 86,027.57 is: 118,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,646.33 : 217,550.14 = 86,027.57 : x
  2. Step 2: Convert to fraction form
    157,646.33/217,550.14 = 86,027.57/x
  3. Step 3: Cross multiply
    157,646.33x = 217,550.14 × 86,027.57
  4. Step 4: Simplify right side
    157,646.33x = 18,715,309,897.36
  5. Step 5: Solve for x
    x = 18,715,309,897.36/157,646.33
  6. Step 6: Final answer
    x = 118,717.07

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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.