Home / 157,656.12-217,572.54-88,769.31

Finding the Fourth Proportional to 157,656.12, 217,572.54 and 88,769.31

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Solution

The fourth proportional to 157,656.12, 217,572.54 and 88,769.31 is: 122,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,656.12 : 217,572.54 = 88,769.31 : x
  2. Step 2: Convert to fraction form
    157,656.12/217,572.54 = 88,769.31/x
  3. Step 3: Cross multiply
    157,656.12x = 217,572.54 × 88,769.31
  4. Step 4: Simplify right side
    157,656.12x = 19,313,764,250.75
  5. Step 5: Solve for x
    x = 19,313,764,250.75/157,656.12
  6. Step 6: Final answer
    x = 122,505.64

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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.