Home / 168,023.10-252,034.65-155,192.70

Finding the Fourth Proportional to 168,023.10, 252,034.65 and 155,192.70

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Solution

The fourth proportional to 168,023.10, 252,034.65 and 155,192.70 is: 232,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.10 : 252,034.65 = 155,192.70 : x
  2. Step 2: Convert to fraction form
    168,023.10/252,034.65 = 155,192.70/x
  3. Step 3: Cross multiply
    168,023.10x = 252,034.65 × 155,192.70
  4. Step 4: Simplify right side
    168,023.10x = 39,113,937,827.06
  5. Step 5: Solve for x
    x = 39,113,937,827.06/168,023.10
  6. Step 6: Final answer
    x = 232,789.05

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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.