Home / 121,152.30-167,195.10-67,433.91

Finding the Fourth Proportional to 121,152.30, 167,195.10 and 67,433.91

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Solution

The fourth proportional to 121,152.30, 167,195.10 and 67,433.91 is: 93,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152.30 : 167,195.10 = 67,433.91 : x
  2. Step 2: Convert to fraction form
    121,152.30/167,195.10 = 67,433.91/x
  3. Step 3: Cross multiply
    121,152.30x = 167,195.10 × 67,433.91
  4. Step 4: Simplify right side
    121,152.30x = 11,274,619,325.84
  5. Step 5: Solve for x
    x = 11,274,619,325.84/121,152.30
  6. Step 6: Final answer
    x = 93,061.54

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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.