Home / 151,118.66-208,550.76-87,444.14

Finding the Fourth Proportional to 151,118.66, 208,550.76 and 87,444.14

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Solution

The fourth proportional to 151,118.66, 208,550.76 and 87,444.14 is: 120,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,118.66 : 208,550.76 = 87,444.14 : x
  2. Step 2: Convert to fraction form
    151,118.66/208,550.76 = 87,444.14/x
  3. Step 3: Cross multiply
    151,118.66x = 208,550.76 × 87,444.14
  4. Step 4: Simplify right side
    151,118.66x = 18,236,541,854.55
  5. Step 5: Solve for x
    x = 18,236,541,854.55/151,118.66
  6. Step 6: Final answer
    x = 120,676.97

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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.