Home / 134,377.92-185,403.06-86,658.66

Finding the Fourth Proportional to 134,377.92, 185,403.06 and 86,658.66

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Solution

The fourth proportional to 134,377.92, 185,403.06 and 86,658.66 is: 119,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,377.92 : 185,403.06 = 86,658.66 : x
  2. Step 2: Convert to fraction form
    134,377.92/185,403.06 = 86,658.66/x
  3. Step 3: Cross multiply
    134,377.92x = 185,403.06 × 86,658.66
  4. Step 4: Simplify right side
    134,377.92x = 16,066,780,739.50
  5. Step 5: Solve for x
    x = 16,066,780,739.50/134,377.92
  6. Step 6: Final answer
    x = 119,564.14

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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.