Home / 104,625.18-144,276.78-89,567.70

Finding the Fourth Proportional to 104,625.18, 144,276.78 and 89,567.70

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Solution

The fourth proportional to 104,625.18, 144,276.78 and 89,567.70 is: 123,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,625.18 : 144,276.78 = 89,567.70 : x
  2. Step 2: Convert to fraction form
    104,625.18/144,276.78 = 89,567.70/x
  3. Step 3: Cross multiply
    104,625.18x = 144,276.78 × 89,567.70
  4. Step 4: Simplify right side
    104,625.18x = 12,922,539,348.01
  5. Step 5: Solve for x
    x = 12,922,539,348.01/104,625.18
  6. Step 6: Final answer
    x = 123,512.71

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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.