Home / 140,376.04-193,719.02-76,713.84

Finding the Fourth Proportional to 140,376.04, 193,719.02 and 76,713.84

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Solution

The fourth proportional to 140,376.04, 193,719.02 and 76,713.84 is: 105,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,376.04 : 193,719.02 = 76,713.84 : x
  2. Step 2: Convert to fraction form
    140,376.04/193,719.02 = 76,713.84/x
  3. Step 3: Cross multiply
    140,376.04x = 193,719.02 × 76,713.84
  4. Step 4: Simplify right side
    140,376.04x = 14,860,929,905.24
  5. Step 5: Solve for x
    x = 14,860,929,905.24/140,376.04
  6. Step 6: Final answer
    x = 105,865.15

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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.