Home / 187,845.60-259,326.72-127,737.12

Finding the Fourth Proportional to 187,845.60, 259,326.72 and 127,737.12

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Solution

The fourth proportional to 187,845.60, 259,326.72 and 127,737.12 is: 176,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,845.60 : 259,326.72 = 127,737.12 : x
  2. Step 2: Convert to fraction form
    187,845.60/259,326.72 = 127,737.12/x
  3. Step 3: Cross multiply
    187,845.60x = 259,326.72 × 127,737.12
  4. Step 4: Simplify right side
    187,845.60x = 33,125,648,351.85
  5. Step 5: Solve for x
    x = 33,125,648,351.85/187,845.60
  6. Step 6: Final answer
    x = 176,345.09

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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.