Home / 104,244.84-143,854.34-61,778.20

Finding the Fourth Proportional to 104,244.84, 143,854.34 and 61,778.20

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Solution

The fourth proportional to 104,244.84, 143,854.34 and 61,778.20 is: 85,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,244.84 : 143,854.34 = 61,778.20 : x
  2. Step 2: Convert to fraction form
    104,244.84/143,854.34 = 61,778.20/x
  3. Step 3: Cross multiply
    104,244.84x = 143,854.34 × 61,778.20
  4. Step 4: Simplify right side
    104,244.84x = 8,887,062,187.39
  5. Step 5: Solve for x
    x = 8,887,062,187.39/104,244.84
  6. Step 6: Final answer
    x = 85,251.82

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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.