Home / 136,761.48-188,582.05-88,926.12

Finding the Fourth Proportional to 136,761.48, 188,582.05 and 88,926.12

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Solution

The fourth proportional to 136,761.48, 188,582.05 and 88,926.12 is: 122,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,761.48 : 188,582.05 = 88,926.12 : x
  2. Step 2: Convert to fraction form
    136,761.48/188,582.05 = 88,926.12/x
  3. Step 3: Cross multiply
    136,761.48x = 188,582.05 × 88,926.12
  4. Step 4: Simplify right side
    136,761.48x = 16,769,870,008.15
  5. Step 5: Solve for x
    x = 16,769,870,008.15/136,761.48
  6. Step 6: Final answer
    x = 122,621.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.