Home / 121,219.44-167,279.04-67,503.30

Finding the Fourth Proportional to 121,219.44, 167,279.04 and 67,503.30

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Solution

The fourth proportional to 121,219.44, 167,279.04 and 67,503.30 is: 93,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,219.44 : 167,279.04 = 67,503.30 : x
  2. Step 2: Convert to fraction form
    121,219.44/167,279.04 = 67,503.30/x
  3. Step 3: Cross multiply
    121,219.44x = 167,279.04 × 67,503.30
  4. Step 4: Simplify right side
    121,219.44x = 11,291,887,220.83
  5. Step 5: Solve for x
    x = 11,291,887,220.83/121,219.44
  6. Step 6: Final answer
    x = 93,152.45

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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.