Home / 140,517.20-193,915.26-76,853.63

Finding the Fourth Proportional to 140,517.20, 193,915.26 and 76,853.63

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Solution

The fourth proportional to 140,517.20, 193,915.26 and 76,853.63 is: 106,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,517.20 : 193,915.26 = 76,853.63 : x
  2. Step 2: Convert to fraction form
    140,517.20/193,915.26 = 76,853.63/x
  3. Step 3: Cross multiply
    140,517.20x = 193,915.26 × 76,853.63
  4. Step 4: Simplify right side
    140,517.20x = 14,903,090,673.82
  5. Step 5: Solve for x
    x = 14,903,090,673.82/140,517.20
  6. Step 6: Final answer
    x = 106,058.84

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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.