Home / 121,267.78-167,354.71-67,552.83

Finding the Fourth Proportional to 121,267.78, 167,354.71 and 67,552.83

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Solution

The fourth proportional to 121,267.78, 167,354.71 and 67,552.83 is: 93,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,267.78 : 167,354.71 = 67,552.83 : x
  2. Step 2: Convert to fraction form
    121,267.78/167,354.71 = 67,552.83/x
  3. Step 3: Cross multiply
    121,267.78x = 167,354.71 × 67,552.83
  4. Step 4: Simplify right side
    121,267.78x = 11,305,284,105.45
  5. Step 5: Solve for x
    x = 11,305,284,105.45/121,267.78
  6. Step 6: Final answer
    x = 93,225.79

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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.