Home / 140,193.18-193,466.88-76,532.04

Finding the Fourth Proportional to 140,193.18, 193,466.88 and 76,532.04

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Solution

The fourth proportional to 140,193.18, 193,466.88 and 76,532.04 is: 105,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,193.18 : 193,466.88 = 76,532.04 : x
  2. Step 2: Convert to fraction form
    140,193.18/193,466.88 = 76,532.04/x
  3. Step 3: Cross multiply
    140,193.18x = 193,466.88 × 76,532.04
  4. Step 4: Simplify right side
    140,193.18x = 14,806,414,998.84
  5. Step 5: Solve for x
    x = 14,806,414,998.84/140,193.18
  6. Step 6: Final answer
    x = 105,614.37

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1.5x scale

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.