Home / 140,756.67-194,244.72-76,225.92

Finding the Fourth Proportional to 140,756.67, 194,244.72 and 76,225.92

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Solution

The fourth proportional to 140,756.67, 194,244.72 and 76,225.92 is: 105,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,756.67 : 194,244.72 = 76,225.92 : x
  2. Step 2: Convert to fraction form
    140,756.67/194,244.72 = 76,225.92/x
  3. Step 3: Cross multiply
    140,756.67x = 194,244.72 × 76,225.92
  4. Step 4: Simplify right side
    140,756.67x = 14,806,482,487.14
  5. Step 5: Solve for x
    x = 14,806,482,487.14/140,756.67
  6. Step 6: Final answer
    x = 105,192.05

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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.