Home / 131,030.30-196,545.45-83,791.10

Finding the Fourth Proportional to 131,030.30, 196,545.45 and 83,791.10

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Solution

The fourth proportional to 131,030.30, 196,545.45 and 83,791.10 is: 125,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,030.30 : 196,545.45 = 83,791.10 : x
  2. Step 2: Convert to fraction form
    131,030.30/196,545.45 = 83,791.10/x
  3. Step 3: Cross multiply
    131,030.30x = 196,545.45 × 83,791.10
  4. Step 4: Simplify right side
    131,030.30x = 16,468,759,455.50
  5. Step 5: Solve for x
    x = 16,468,759,455.50/131,030.30
  6. Step 6: Final answer
    x = 125,686.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.