Home / 165,411.45-247,625.10-98,817.30

Finding the Fourth Proportional to 165,411.45, 247,625.10 and 98,817.30

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Solution

The fourth proportional to 165,411.45, 247,625.10 and 98,817.30 is: 147,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,411.45 : 247,625.10 = 98,817.30 : x
  2. Step 2: Convert to fraction form
    165,411.45/247,625.10 = 98,817.30/x
  3. Step 3: Cross multiply
    165,411.45x = 247,625.10 × 98,817.30
  4. Step 4: Simplify right side
    165,411.45x = 24,469,643,794.23
  5. Step 5: Solve for x
    x = 24,469,643,794.23/165,411.45
  6. Step 6: Final answer
    x = 147,931.98

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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.