Home / 140,433.55-193,798.88-80,006.74

Finding the Fourth Proportional to 140,433.55, 193,798.88 and 80,006.74

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Solution

The fourth proportional to 140,433.55, 193,798.88 and 80,006.74 is: 110,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,433.55 : 193,798.88 = 80,006.74 : x
  2. Step 2: Convert to fraction form
    140,433.55/193,798.88 = 80,006.74/x
  3. Step 3: Cross multiply
    140,433.55x = 193,798.88 × 80,006.74
  4. Step 4: Simplify right side
    140,433.55x = 15,505,216,019.95
  5. Step 5: Solve for x
    x = 15,505,216,019.95/140,433.55
  6. Step 6: Final answer
    x = 110,409.63

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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.