Home / 157,613.65-236,336.92-68,763.36

Finding the Fourth Proportional to 157,613.65, 236,336.92 and 68,763.36

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Solution

The fourth proportional to 157,613.65, 236,336.92 and 68,763.36 is: 103,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,613.65 : 236,336.92 = 68,763.36 : x
  2. Step 2: Convert to fraction form
    157,613.65/236,336.92 = 68,763.36/x
  3. Step 3: Cross multiply
    157,613.65x = 236,336.92 × 68,763.36
  4. Step 4: Simplify right side
    157,613.65x = 16,251,320,711.25
  5. Step 5: Solve for x
    x = 16,251,320,711.25/157,613.65
  6. Step 6: Final answer
    x = 103,108.59

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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.