Home / 168,532.80-252,799.90-42,172.70

Finding the Fourth Proportional to 168,532.80, 252,799.90 and 42,172.70

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Solution

The fourth proportional to 168,532.80, 252,799.90 and 42,172.70 is: 63,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,532.80 : 252,799.90 = 42,172.70 : x
  2. Step 2: Convert to fraction form
    168,532.80/252,799.90 = 42,172.70/x
  3. Step 3: Cross multiply
    168,532.80x = 252,799.90 × 42,172.70
  4. Step 4: Simplify right side
    168,532.80x = 10,661,254,869.30
  5. Step 5: Solve for x
    x = 10,661,254,869.30/168,532.80
  6. Step 6: Final answer
    x = 63,259.23

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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.