Home / 140,293.35-193,604.36-76,631.13

Finding the Fourth Proportional to 140,293.35, 193,604.36 and 76,631.13

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Solution

The fourth proportional to 140,293.35, 193,604.36 and 76,631.13 is: 105,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,293.35 : 193,604.36 = 76,631.13 : x
  2. Step 2: Convert to fraction form
    140,293.35/193,604.36 = 76,631.13/x
  3. Step 3: Cross multiply
    140,293.35x = 193,604.36 × 76,631.13
  4. Step 4: Simplify right side
    140,293.35x = 14,836,120,496.57
  5. Step 5: Solve for x
    x = 14,836,120,496.57/140,293.35
  6. Step 6: Final answer
    x = 105,750.70

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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.