Home / 125,180.83-187,771.38-31,686.58

Finding the Fourth Proportional to 125,180.83, 187,771.38 and 31,686.58

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Solution

The fourth proportional to 125,180.83, 187,771.38 and 31,686.58 is: 47,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,180.83 : 187,771.38 = 31,686.58 : x
  2. Step 2: Convert to fraction form
    125,180.83/187,771.38 = 31,686.58/x
  3. Step 3: Cross multiply
    125,180.83x = 187,771.38 × 31,686.58
  4. Step 4: Simplify right side
    125,180.83x = 5,949,832,854.08
  5. Step 5: Solve for x
    x = 5,949,832,854.08/125,180.83
  6. Step 6: Final answer
    x = 47,529.90

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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.