Home / 140,340.29-193,670.24-76,679.55

Finding the Fourth Proportional to 140,340.29, 193,670.24 and 76,679.55

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Solution

The fourth proportional to 140,340.29, 193,670.24 and 76,679.55 is: 105,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340.29 : 193,670.24 = 76,679.55 : x
  2. Step 2: Convert to fraction form
    140,340.29/193,670.24 = 76,679.55/x
  3. Step 3: Cross multiply
    140,340.29x = 193,670.24 × 76,679.55
  4. Step 4: Simplify right side
    140,340.29x = 14,850,546,468.19
  5. Step 5: Solve for x
    x = 14,850,546,468.19/140,340.29
  6. Step 6: Final answer
    x = 105,818.13

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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.