Home / 121,296.60-167,401.62-67,590.36

Finding the Fourth Proportional to 121,296.60, 167,401.62 and 67,590.36

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Solution

The fourth proportional to 121,296.60, 167,401.62 and 67,590.36 is: 93,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,296.60 : 167,401.62 = 67,590.36 : x
  2. Step 2: Convert to fraction form
    121,296.60/167,401.62 = 67,590.36/x
  3. Step 3: Cross multiply
    121,296.60x = 167,401.62 × 67,590.36
  4. Step 4: Simplify right side
    121,296.60x = 11,314,735,760.38
  5. Step 5: Solve for x
    x = 11,314,735,760.38/121,296.60
  6. Step 6: Final answer
    x = 93,281.56

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1.5x scale

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.