Home / 134,180.55-185,186.66-86,572.40

Finding the Fourth Proportional to 134,180.55, 185,186.66 and 86,572.40

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Solution

The fourth proportional to 134,180.55, 185,186.66 and 86,572.40 is: 119,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,180.55 : 185,186.66 = 86,572.40 : x
  2. Step 2: Convert to fraction form
    134,180.55/185,186.66 = 86,572.40/x
  3. Step 3: Cross multiply
    134,180.55x = 185,186.66 × 86,572.40
  4. Step 4: Simplify right side
    134,180.55x = 16,032,052,245.39
  5. Step 5: Solve for x
    x = 16,032,052,245.39/134,180.55
  6. Step 6: Final answer
    x = 119,481.19

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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.