Home / 140,396.40-193,747.53-76,734.22

Finding the Fourth Proportional to 140,396.40, 193,747.53 and 76,734.22

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Solution

The fourth proportional to 140,396.40, 193,747.53 and 76,734.22 is: 105,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,396.40 : 193,747.53 = 76,734.22 : x
  2. Step 2: Convert to fraction form
    140,396.40/193,747.53 = 76,734.22/x
  3. Step 3: Cross multiply
    140,396.40x = 193,747.53 × 76,734.22
  4. Step 4: Simplify right side
    140,396.40x = 14,867,065,591.48
  5. Step 5: Solve for x
    x = 14,867,065,591.48/140,396.40
  6. Step 6: Final answer
    x = 105,893.50

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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.