Home / 113,612.20-156,796.50-68,304.94

Finding the Fourth Proportional to 113,612.20, 156,796.50 and 68,304.94

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Solution

The fourth proportional to 113,612.20, 156,796.50 and 68,304.94 is: 94,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,612.20 : 156,796.50 = 68,304.94 : x
  2. Step 2: Convert to fraction form
    113,612.20/156,796.50 = 68,304.94/x
  3. Step 3: Cross multiply
    113,612.20x = 156,796.50 × 68,304.94
  4. Step 4: Simplify right side
    113,612.20x = 10,709,975,524.71
  5. Step 5: Solve for x
    x = 10,709,975,524.71/113,612.20
  6. Step 6: Final answer
    x = 94,267.83

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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.