Home / 168,869.07-253,373.40-74,050.20

Finding the Fourth Proportional to 168,869.07, 253,373.40 and 74,050.20

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Solution

The fourth proportional to 168,869.07, 253,373.40 and 74,050.20 is: 111,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,869.07 : 253,373.40 = 74,050.20 : x
  2. Step 2: Convert to fraction form
    168,869.07/253,373.40 = 74,050.20/x
  3. Step 3: Cross multiply
    168,869.07x = 253,373.40 × 74,050.20
  4. Step 4: Simplify right side
    168,869.07x = 18,762,350,944.68
  5. Step 5: Solve for x
    x = 18,762,350,944.68/168,869.07
  6. Step 6: Final answer
    x = 111,105.91

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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.