Home / 165,471.47-247,989.10-65,577.16

Finding the Fourth Proportional to 165,471.47, 247,989.10 and 65,577.16

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Solution

The fourth proportional to 165,471.47, 247,989.10 and 65,577.16 is: 98,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,471.47 : 247,989.10 = 65,577.16 : x
  2. Step 2: Convert to fraction form
    165,471.47/247,989.10 = 65,577.16/x
  3. Step 3: Cross multiply
    165,471.47x = 247,989.10 × 65,577.16
  4. Step 4: Simplify right side
    165,471.47x = 16,262,420,888.96
  5. Step 5: Solve for x
    x = 16,262,420,888.96/165,471.47
  6. Step 6: Final answer
    x = 98,279.30

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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.