Home / 141,127.20-194,765.76-93,297.60

Finding the Fourth Proportional to 141,127.20, 194,765.76 and 93,297.60

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Solution

The fourth proportional to 141,127.20, 194,765.76 and 93,297.60 is: 128,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,127.20 : 194,765.76 = 93,297.60 : x
  2. Step 2: Convert to fraction form
    141,127.20/194,765.76 = 93,297.60/x
  3. Step 3: Cross multiply
    141,127.20x = 194,765.76 × 93,297.60
  4. Step 4: Simplify right side
    141,127.20x = 18,171,177,970.18
  5. Step 5: Solve for x
    x = 18,171,177,970.18/141,127.20
  6. Step 6: Final answer
    x = 128,757.45

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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.