Home / 124,857.60-187,286.40-41,740.80

Finding the Fourth Proportional to 124,857.60, 187,286.40 and 41,740.80

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Solution

The fourth proportional to 124,857.60, 187,286.40 and 41,740.80 is: 62,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.60 : 187,286.40 = 41,740.80 : x
  2. Step 2: Convert to fraction form
    124,857.60/187,286.40 = 41,740.80/x
  3. Step 3: Cross multiply
    124,857.60x = 187,286.40 × 41,740.80
  4. Step 4: Simplify right side
    124,857.60x = 7,817,484,165.12
  5. Step 5: Solve for x
    x = 7,817,484,165.12/124,857.60
  6. Step 6: Final answer
    x = 62,611.20

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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.