Home / 121,524.03-167,711.28-67,810.20

Finding the Fourth Proportional to 121,524.03, 167,711.28 and 67,810.20

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Solution

The fourth proportional to 121,524.03, 167,711.28 and 67,810.20 is: 93,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,524.03 : 167,711.28 = 67,810.20 : x
  2. Step 2: Convert to fraction form
    121,524.03/167,711.28 = 67,810.20/x
  3. Step 3: Cross multiply
    121,524.03x = 167,711.28 × 67,810.20
  4. Step 4: Simplify right side
    121,524.03x = 11,372,534,555.85
  5. Step 5: Solve for x
    x = 11,372,534,555.85/121,524.03
  6. Step 6: Final answer
    x = 93,582.60

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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.