Home / 104,229.18-143,760.32-65,994.95

Finding the Fourth Proportional to 104,229.18, 143,760.32 and 65,994.95

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Solution

The fourth proportional to 104,229.18, 143,760.32 and 65,994.95 is: 91,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,229.18 : 143,760.32 = 65,994.95 : x
  2. Step 2: Convert to fraction form
    104,229.18/143,760.32 = 65,994.95/x
  3. Step 3: Cross multiply
    104,229.18x = 143,760.32 × 65,994.95
  4. Step 4: Simplify right side
    104,229.18x = 9,487,455,407.29
  5. Step 5: Solve for x
    x = 9,487,455,407.29/104,229.18
  6. Step 6: Final answer
    x = 91,024.95

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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.