Home / 151,627.05-209,234.21-87,952.59

Finding the Fourth Proportional to 151,627.05, 209,234.21 and 87,952.59

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Solution

The fourth proportional to 151,627.05, 209,234.21 and 87,952.59 is: 121,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,627.05 : 209,234.21 = 87,952.59 : x
  2. Step 2: Convert to fraction form
    151,627.05/209,234.21 = 87,952.59/x
  3. Step 3: Cross multiply
    151,627.05x = 209,234.21 × 87,952.59
  4. Step 4: Simplify right side
    151,627.05x = 18,402,690,246.34
  5. Step 5: Solve for x
    x = 18,402,690,246.34/151,627.05
  6. Step 6: Final answer
    x = 121,368.12

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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.