Home / 151,624.56-209,176.92-91,179.12

Finding the Fourth Proportional to 151,624.56, 209,176.92 and 91,179.12

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Solution

The fourth proportional to 151,624.56, 209,176.92 and 91,179.12 is: 125,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,624.56 : 209,176.92 = 91,179.12 : x
  2. Step 2: Convert to fraction form
    151,624.56/209,176.92 = 91,179.12/x
  3. Step 3: Cross multiply
    151,624.56x = 209,176.92 × 91,179.12
  4. Step 4: Simplify right side
    151,624.56x = 19,072,567,489.91
  5. Step 5: Solve for x
    x = 19,072,567,489.91/151,624.56
  6. Step 6: Final answer
    x = 125,788.11

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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.