Home / 174,020.80-260,685.60-103,691.20

Finding the Fourth Proportional to 174,020.80, 260,685.60 and 103,691.20

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Solution

The fourth proportional to 174,020.80, 260,685.60 and 103,691.20 is: 155,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,020.80 : 260,685.60 = 103,691.20 : x
  2. Step 2: Convert to fraction form
    174,020.80/260,685.60 = 103,691.20/x
  3. Step 3: Cross multiply
    174,020.80x = 260,685.60 × 103,691.20
  4. Step 4: Simplify right side
    174,020.80x = 27,030,802,686.72
  5. Step 5: Solve for x
    x = 27,030,802,686.72/174,020.80
  6. Step 6: Final answer
    x = 155,330.87

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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.