Home / 140,375.77-193,718.63-76,713.56

Finding the Fourth Proportional to 140,375.77, 193,718.63 and 76,713.56

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Solution

The fourth proportional to 140,375.77, 193,718.63 and 76,713.56 is: 105,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,375.77 : 193,718.63 = 76,713.56 : x
  2. Step 2: Convert to fraction form
    140,375.77/193,718.63 = 76,713.56/x
  3. Step 3: Cross multiply
    140,375.77x = 193,718.63 × 76,713.56
  4. Step 4: Simplify right side
    140,375.77x = 14,860,845,695.26
  5. Step 5: Solve for x
    x = 14,860,845,695.26/140,375.77
  6. Step 6: Final answer
    x = 105,864.75

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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.