Home / 140,372.15-193,714.07-76,709.95

Finding the Fourth Proportional to 140,372.15, 193,714.07 and 76,709.95

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Solution

The fourth proportional to 140,372.15, 193,714.07 and 76,709.95 is: 105,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,372.15 : 193,714.07 = 76,709.95 : x
  2. Step 2: Convert to fraction form
    140,372.15/193,714.07 = 76,709.95/x
  3. Step 3: Cross multiply
    140,372.15x = 193,714.07 × 76,709.95
  4. Step 4: Simplify right side
    140,372.15x = 14,859,795,756.16
  5. Step 5: Solve for x
    x = 14,859,795,756.16/140,372.15
  6. Step 6: Final answer
    x = 105,860.00

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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.