Home / 121,306.16-167,400.25-67,590.02

Finding the Fourth Proportional to 121,306.16, 167,400.25 and 67,590.02

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Solution

The fourth proportional to 121,306.16, 167,400.25 and 67,590.02 is: 93,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.16 : 167,400.25 = 67,590.02 : x
  2. Step 2: Convert to fraction form
    121,306.16/167,400.25 = 67,590.02/x
  3. Step 3: Cross multiply
    121,306.16x = 167,400.25 × 67,590.02
  4. Step 4: Simplify right side
    121,306.16x = 11,314,586,245.51
  5. Step 5: Solve for x
    x = 11,314,586,245.51/121,306.16
  6. Step 6: Final answer
    x = 93,272.97

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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.