Home / 140,713.02-194,184.28-76,182.96

Finding the Fourth Proportional to 140,713.02, 194,184.28 and 76,182.96

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Solution

The fourth proportional to 140,713.02, 194,184.28 and 76,182.96 is: 105,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,713.02 : 194,184.28 = 76,182.96 : x
  2. Step 2: Convert to fraction form
    140,713.02/194,184.28 = 76,182.96/x
  3. Step 3: Cross multiply
    140,713.02x = 194,184.28 × 76,182.96
  4. Step 4: Simplify right side
    140,713.02x = 14,793,533,235.87
  5. Step 5: Solve for x
    x = 14,793,533,235.87/140,713.02
  6. Step 6: Final answer
    x = 105,132.65

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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.