Home / 165,344.83-247,990.69-45,373.76

Finding the Fourth Proportional to 165,344.83, 247,990.69 and 45,373.76

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Solution

The fourth proportional to 165,344.83, 247,990.69 and 45,373.76 is: 68,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,344.83 : 247,990.69 = 45,373.76 : x
  2. Step 2: Convert to fraction form
    165,344.83/247,990.69 = 45,373.76/x
  3. Step 3: Cross multiply
    165,344.83x = 247,990.69 × 45,373.76
  4. Step 4: Simplify right side
    165,344.83x = 11,252,269,320.67
  5. Step 5: Solve for x
    x = 11,252,269,320.67/165,344.83
  6. Step 6: Final answer
    x = 68,053.35

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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.