Home / 140,060.34-193,290.11-78,825.66

Finding the Fourth Proportional to 140,060.34, 193,290.11 and 78,825.66

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Solution

The fourth proportional to 140,060.34, 193,290.11 and 78,825.66 is: 108,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,060.34 : 193,290.11 = 78,825.66 : x
  2. Step 2: Convert to fraction form
    140,060.34/193,290.11 = 78,825.66/x
  3. Step 3: Cross multiply
    140,060.34x = 193,290.11 × 78,825.66
  4. Step 4: Simplify right side
    140,060.34x = 15,236,220,098.09
  5. Step 5: Solve for x
    x = 15,236,220,098.09/140,060.34
  6. Step 6: Final answer
    x = 108,783.26

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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.