Home / 151,904.85-209,641.41-88,238.85

Finding the Fourth Proportional to 151,904.85, 209,641.41 and 88,238.85

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Solution

The fourth proportional to 151,904.85, 209,641.41 and 88,238.85 is: 121,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,904.85 : 209,641.41 = 88,238.85 : x
  2. Step 2: Convert to fraction form
    151,904.85/209,641.41 = 88,238.85/x
  3. Step 3: Cross multiply
    151,904.85x = 209,641.41 × 88,238.85
  4. Step 4: Simplify right side
    151,904.85x = 18,498,516,930.78
  5. Step 5: Solve for x
    x = 18,498,516,930.78/151,904.85
  6. Step 6: Final answer
    x = 121,777.00

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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.