Home / 103,755.06-143,180.46-58,433.13

Finding the Fourth Proportional to 103,755.06, 143,180.46 and 58,433.13

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Solution

The fourth proportional to 103,755.06, 143,180.46 and 58,433.13 is: 80,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,755.06 : 143,180.46 = 58,433.13 : x
  2. Step 2: Convert to fraction form
    103,755.06/143,180.46 = 58,433.13/x
  3. Step 3: Cross multiply
    103,755.06x = 143,180.46 × 58,433.13
  4. Step 4: Simplify right side
    103,755.06x = 8,366,482,432.64
  5. Step 5: Solve for x
    x = 8,366,482,432.64/103,755.06
  6. Step 6: Final answer
    x = 80,636.86

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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.