Home / 150,506.17-207,543.47-105,167.61

Finding the Fourth Proportional to 150,506.17, 207,543.47 and 105,167.61

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Solution

The fourth proportional to 150,506.17, 207,543.47 and 105,167.61 is: 145,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,506.17 : 207,543.47 = 105,167.61 : x
  2. Step 2: Convert to fraction form
    150,506.17/207,543.47 = 105,167.61/x
  3. Step 3: Cross multiply
    150,506.17x = 207,543.47 × 105,167.61
  4. Step 4: Simplify right side
    150,506.17x = 21,826,850,185.17
  5. Step 5: Solve for x
    x = 21,826,850,185.17/150,506.17
  6. Step 6: Final answer
    x = 145,022.96

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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.