Home / 638,346.15-957,552.03-165,035.61

Finding the Fourth Proportional to 638,346.15, 957,552.03 and 165,035.61

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Solution

The fourth proportional to 638,346.15, 957,552.03 and 165,035.61 is: 247,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,346.15 : 957,552.03 = 165,035.61 : x
  2. Step 2: Convert to fraction form
    638,346.15/957,552.03 = 165,035.61/x
  3. Step 3: Cross multiply
    638,346.15x = 957,552.03 × 165,035.61
  4. Step 4: Simplify right side
    638,346.15x = 158,030,183,377.79
  5. Step 5: Solve for x
    x = 158,030,183,377.79/638,346.15
  6. Step 6: Final answer
    x = 247,561.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.