Home / 168,681.34-252,897.01-102,105.71

Finding the Fourth Proportional to 168,681.34, 252,897.01 and 102,105.71

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Solution

The fourth proportional to 168,681.34, 252,897.01 and 102,105.71 is: 153,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,681.34 : 252,897.01 = 102,105.71 : x
  2. Step 2: Convert to fraction form
    168,681.34/252,897.01 = 102,105.71/x
  3. Step 3: Cross multiply
    168,681.34x = 252,897.01 × 102,105.71
  4. Step 4: Simplify right side
    168,681.34x = 25,822,229,901.26
  5. Step 5: Solve for x
    x = 25,822,229,901.26/168,681.34
  6. Step 6: Final answer
    x = 153,082.91

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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.