Home / 124,933.60-187,400.40-40,693.60

Finding the Fourth Proportional to 124,933.60, 187,400.40 and 40,693.60

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Solution

The fourth proportional to 124,933.60, 187,400.40 and 40,693.60 is: 61,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933.60 : 187,400.40 = 40,693.60 : x
  2. Step 2: Convert to fraction form
    124,933.60/187,400.40 = 40,693.60/x
  3. Step 3: Cross multiply
    124,933.60x = 187,400.40 × 40,693.60
  4. Step 4: Simplify right side
    124,933.60x = 7,625,996,917.44
  5. Step 5: Solve for x
    x = 7,625,996,917.44/124,933.60
  6. Step 6: Final answer
    x = 61,040.40

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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.