Home / 125,105.82-187,637.58-35,127.90

Finding the Fourth Proportional to 125,105.82, 187,637.58 and 35,127.90

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Solution

The fourth proportional to 125,105.82, 187,637.58 and 35,127.90 is: 52,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,105.82 : 187,637.58 = 35,127.90 : x
  2. Step 2: Convert to fraction form
    125,105.82/187,637.58 = 35,127.90/x
  3. Step 3: Cross multiply
    125,105.82x = 187,637.58 × 35,127.90
  4. Step 4: Simplify right side
    125,105.82x = 6,591,314,146.48
  5. Step 5: Solve for x
    x = 6,591,314,146.48/125,105.82
  6. Step 6: Final answer
    x = 52,685.91

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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.