Home / 119,115.04-179,753.32-115,149.28

Finding the Fourth Proportional to 119,115.04, 179,753.32 and 115,149.28

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Solution

The fourth proportional to 119,115.04, 179,753.32 and 115,149.28 is: 173,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115.04 : 179,753.32 = 115,149.28 : x
  2. Step 2: Convert to fraction form
    119,115.04/179,753.32 = 115,149.28/x
  3. Step 3: Cross multiply
    119,115.04x = 179,753.32 × 115,149.28
  4. Step 4: Simplify right side
    119,115.04x = 20,698,465,375.61
  5. Step 5: Solve for x
    x = 20,698,465,375.61/119,115.04
  6. Step 6: Final answer
    x = 173,768.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.