Home / 124,432.80-186,503.40-93,231.60

Finding the Fourth Proportional to 124,432.80, 186,503.40 and 93,231.60

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Solution

The fourth proportional to 124,432.80, 186,503.40 and 93,231.60 is: 139,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,432.80 : 186,503.40 = 93,231.60 : x
  2. Step 2: Convert to fraction form
    124,432.80/186,503.40 = 93,231.60/x
  3. Step 3: Cross multiply
    124,432.80x = 186,503.40 × 93,231.60
  4. Step 4: Simplify right side
    124,432.80x = 17,388,010,387.44
  5. Step 5: Solve for x
    x = 17,388,010,387.44/124,432.80
  6. Step 6: Final answer
    x = 139,738.16

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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.