Home / 151,764.14-209,445.82-88,111.64

Finding the Fourth Proportional to 151,764.14, 209,445.82 and 88,111.64

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Solution

The fourth proportional to 151,764.14, 209,445.82 and 88,111.64 is: 121,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,764.14 : 209,445.82 = 88,111.64 : x
  2. Step 2: Convert to fraction form
    151,764.14/209,445.82 = 88,111.64/x
  3. Step 3: Cross multiply
    151,764.14x = 209,445.82 × 88,111.64
  4. Step 4: Simplify right side
    151,764.14x = 18,454,614,691.34
  5. Step 5: Solve for x
    x = 18,454,614,691.34/151,764.14
  6. Step 6: Final answer
    x = 121,600.63

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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.