Home / 177,620.30-266,430.45-121,633.10

Finding the Fourth Proportional to 177,620.30, 266,430.45 and 121,633.10

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Solution

The fourth proportional to 177,620.30, 266,430.45 and 121,633.10 is: 182,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,620.30 : 266,430.45 = 121,633.10 : x
  2. Step 2: Convert to fraction form
    177,620.30/266,430.45 = 121,633.10/x
  3. Step 3: Cross multiply
    177,620.30x = 266,430.45 × 121,633.10
  4. Step 4: Simplify right side
    177,620.30x = 32,406,761,567.90
  5. Step 5: Solve for x
    x = 32,406,761,567.90/177,620.30
  6. Step 6: Final answer
    x = 182,449.65

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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.