Home / 168,828.47-253,149.20-69,058.72

Finding the Fourth Proportional to 168,828.47, 253,149.20 and 69,058.72

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Solution

The fourth proportional to 168,828.47, 253,149.20 and 69,058.72 is: 103,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,828.47 : 253,149.20 = 69,058.72 : x
  2. Step 2: Convert to fraction form
    168,828.47/253,149.20 = 69,058.72/x
  3. Step 3: Cross multiply
    168,828.47x = 253,149.20 × 69,058.72
  4. Step 4: Simplify right side
    168,828.47x = 17,482,159,721.02
  5. Step 5: Solve for x
    x = 17,482,159,721.02/168,828.47
  6. Step 6: Final answer
    x = 103,549.83

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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.