Home / 187,840.60-259,319.82-127,732.12

Finding the Fourth Proportional to 187,840.60, 259,319.82 and 127,732.12

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Solution

The fourth proportional to 187,840.60, 259,319.82 and 127,732.12 is: 176,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,840.60 : 259,319.82 = 127,732.12 : x
  2. Step 2: Convert to fraction form
    187,840.60/259,319.82 = 127,732.12/x
  3. Step 3: Cross multiply
    187,840.60x = 259,319.82 × 127,732.12
  4. Step 4: Simplify right side
    187,840.60x = 33,123,470,366.62
  5. Step 5: Solve for x
    x = 33,123,470,366.62/187,840.60
  6. Step 6: Final answer
    x = 176,338.18

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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.