Home / 151,248.32-208,768.56-87,601.76

Finding the Fourth Proportional to 151,248.32, 208,768.56 and 87,601.76

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Solution

The fourth proportional to 151,248.32, 208,768.56 and 87,601.76 is: 120,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,248.32 : 208,768.56 = 87,601.76 : x
  2. Step 2: Convert to fraction form
    151,248.32/208,768.56 = 87,601.76/x
  3. Step 3: Cross multiply
    151,248.32x = 208,768.56 × 87,601.76
  4. Step 4: Simplify right side
    151,248.32x = 18,288,493,288.67
  5. Step 5: Solve for x
    x = 18,288,493,288.67/151,248.32
  6. Step 6: Final answer
    x = 120,917.00

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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.