Home / 118,657.12-177,966.96-55,521.04

Finding the Fourth Proportional to 118,657.12, 177,966.96 and 55,521.04

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Solution

The fourth proportional to 118,657.12, 177,966.96 and 55,521.04 is: 83,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,657.12 : 177,966.96 = 55,521.04 : x
  2. Step 2: Convert to fraction form
    118,657.12/177,966.96 = 55,521.04/x
  3. Step 3: Cross multiply
    118,657.12x = 177,966.96 × 55,521.04
  4. Step 4: Simplify right side
    118,657.12x = 9,880,910,704.84
  5. Step 5: Solve for x
    x = 9,880,910,704.84/118,657.12
  6. Step 6: Final answer
    x = 83,272.80

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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.