Home / 127,876.80-176,545.68-113,690.40

Finding the Fourth Proportional to 127,876.80, 176,545.68 and 113,690.40

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Solution

The fourth proportional to 127,876.80, 176,545.68 and 113,690.40 is: 156,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,876.80 : 176,545.68 = 113,690.40 : x
  2. Step 2: Convert to fraction form
    127,876.80/176,545.68 = 113,690.40/x
  3. Step 3: Cross multiply
    127,876.80x = 176,545.68 × 113,690.40
  4. Step 4: Simplify right side
    127,876.80x = 20,071,548,977.47
  5. Step 5: Solve for x
    x = 20,071,548,977.47/127,876.80
  6. Step 6: Final answer
    x = 156,960.05

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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.