Home / 115,966.20-173,949.30-92,638.20

Finding the Fourth Proportional to 115,966.20, 173,949.30 and 92,638.20

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Solution

The fourth proportional to 115,966.20, 173,949.30 and 92,638.20 is: 138,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.20 : 173,949.30 = 92,638.20 : x
  2. Step 2: Convert to fraction form
    115,966.20/173,949.30 = 92,638.20/x
  3. Step 3: Cross multiply
    115,966.20x = 173,949.30 × 92,638.20
  4. Step 4: Simplify right side
    115,966.20x = 16,114,350,043.26
  5. Step 5: Solve for x
    x = 16,114,350,043.26/115,966.20
  6. Step 6: Final answer
    x = 138,957.30

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1.5x scale

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.