Home / 140,331.72-193,660.56-76,673.46

Finding the Fourth Proportional to 140,331.72, 193,660.56 and 76,673.46

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Solution

The fourth proportional to 140,331.72, 193,660.56 and 76,673.46 is: 105,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,331.72 : 193,660.56 = 76,673.46 : x
  2. Step 2: Convert to fraction form
    140,331.72/193,660.56 = 76,673.46/x
  3. Step 3: Cross multiply
    140,331.72x = 193,660.56 × 76,673.46
  4. Step 4: Simplify right side
    140,331.72x = 14,848,625,200.74
  5. Step 5: Solve for x
    x = 14,848,625,200.74/140,331.72
  6. Step 6: Final answer
    x = 105,810.90

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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.