Home / 140,755.29-194,242.40-76,225.04

Finding the Fourth Proportional to 140,755.29, 194,242.40 and 76,225.04

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Solution

The fourth proportional to 140,755.29, 194,242.40 and 76,225.04 is: 105,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,755.29 : 194,242.40 = 76,225.04 : x
  2. Step 2: Convert to fraction form
    140,755.29/194,242.40 = 76,225.04/x
  3. Step 3: Cross multiply
    140,755.29x = 194,242.40 × 76,225.04
  4. Step 4: Simplify right side
    140,755.29x = 14,806,133,929.05
  5. Step 5: Solve for x
    x = 14,806,133,929.05/140,755.29
  6. Step 6: Final answer
    x = 105,190.60

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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.