Home / 140,119.10-193,369.02-76,460.39

Finding the Fourth Proportional to 140,119.10, 193,369.02 and 76,460.39

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Solution

The fourth proportional to 140,119.10, 193,369.02 and 76,460.39 is: 105,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,119.10 : 193,369.02 = 76,460.39 : x
  2. Step 2: Convert to fraction form
    140,119.10/193,369.02 = 76,460.39/x
  3. Step 3: Cross multiply
    140,119.10x = 193,369.02 × 76,460.39
  4. Step 4: Simplify right side
    140,119.10x = 14,785,070,584.77
  5. Step 5: Solve for x
    x = 14,785,070,584.77/140,119.10
  6. Step 6: Final answer
    x = 105,517.88

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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.