Home / 140,773.48-194,267.46-77,113.56

Finding the Fourth Proportional to 140,773.48, 194,267.46 and 77,113.56

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Solution

The fourth proportional to 140,773.48, 194,267.46 and 77,113.56 is: 106,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,773.48 : 194,267.46 = 77,113.56 : x
  2. Step 2: Convert to fraction form
    140,773.48/194,267.46 = 77,113.56/x
  3. Step 3: Cross multiply
    140,773.48x = 194,267.46 × 77,113.56
  4. Step 4: Simplify right side
    140,773.48x = 14,980,655,432.76
  5. Step 5: Solve for x
    x = 14,980,655,432.76/140,773.48
  6. Step 6: Final answer
    x = 106,416.74

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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.