Home / 124,314.38-171,499.20-84,013.46

Finding the Fourth Proportional to 124,314.38, 171,499.20 and 84,013.46

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Solution

The fourth proportional to 124,314.38, 171,499.20 and 84,013.46 is: 115,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,314.38 : 171,499.20 = 84,013.46 : x
  2. Step 2: Convert to fraction form
    124,314.38/171,499.20 = 84,013.46/x
  3. Step 3: Cross multiply
    124,314.38x = 171,499.20 × 84,013.46
  4. Step 4: Simplify right side
    124,314.38x = 14,408,241,179.23
  5. Step 5: Solve for x
    x = 14,408,241,179.23/124,314.38
  6. Step 6: Final answer
    x = 115,901.65

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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.