Home / 168,025.20-252,061.80-49,681.20

Finding the Fourth Proportional to 168,025.20, 252,061.80 and 49,681.20

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Solution

The fourth proportional to 168,025.20, 252,061.80 and 49,681.20 is: 74,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025.20 : 252,061.80 = 49,681.20 : x
  2. Step 2: Convert to fraction form
    168,025.20/252,061.80 = 49,681.20/x
  3. Step 3: Cross multiply
    168,025.20x = 252,061.80 × 49,681.20
  4. Step 4: Simplify right side
    168,025.20x = 12,522,732,698.16
  5. Step 5: Solve for x
    x = 12,522,732,698.16/168,025.20
  6. Step 6: Final answer
    x = 74,528.90

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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.