Home / 140,363.46-193,702.06-76,701.24

Finding the Fourth Proportional to 140,363.46, 193,702.06 and 76,701.24

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Solution

The fourth proportional to 140,363.46, 193,702.06 and 76,701.24 is: 105,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363.46 : 193,702.06 = 76,701.24 : x
  2. Step 2: Convert to fraction form
    140,363.46/193,702.06 = 76,701.24/x
  3. Step 3: Cross multiply
    140,363.46x = 193,702.06 × 76,701.24
  4. Step 4: Simplify right side
    140,363.46x = 14,857,188,192.55
  5. Step 5: Solve for x
    x = 14,857,188,192.55/140,363.46
  6. Step 6: Final answer
    x = 105,847.98

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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.