Home / 140,913.18-194,460.99-76,382.58

Finding the Fourth Proportional to 140,913.18, 194,460.99 and 76,382.58

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Solution

The fourth proportional to 140,913.18, 194,460.99 and 76,382.58 is: 105,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,913.18 : 194,460.99 = 76,382.58 : x
  2. Step 2: Convert to fraction form
    140,913.18/194,460.99 = 76,382.58/x
  3. Step 3: Cross multiply
    140,913.18x = 194,460.99 × 76,382.58
  4. Step 4: Simplify right side
    140,913.18x = 14,853,432,125.55
  5. Step 5: Solve for x
    x = 14,853,432,125.55/140,913.18
  6. Step 6: Final answer
    x = 105,408.39

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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.