Home / 101,624.12-140,184.78-80,034.33

Finding the Fourth Proportional to 101,624.12, 140,184.78 and 80,034.33

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Solution

The fourth proportional to 101,624.12, 140,184.78 and 80,034.33 is: 110,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,624.12 : 140,184.78 = 80,034.33 : x
  2. Step 2: Convert to fraction form
    101,624.12/140,184.78 = 80,034.33/x
  3. Step 3: Cross multiply
    101,624.12x = 140,184.78 × 80,034.33
  4. Step 4: Simplify right side
    101,624.12x = 11,219,594,943.50
  5. Step 5: Solve for x
    x = 11,219,594,943.50/101,624.12
  6. Step 6: Final answer
    x = 110,402.87

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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.