Home / 125,205.30-172,777.56-68,615.46

Finding the Fourth Proportional to 125,205.30, 172,777.56 and 68,615.46

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Solution

The fourth proportional to 125,205.30, 172,777.56 and 68,615.46 is: 94,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,205.30 : 172,777.56 = 68,615.46 : x
  2. Step 2: Convert to fraction form
    125,205.30/172,777.56 = 68,615.46/x
  3. Step 3: Cross multiply
    125,205.30x = 172,777.56 × 68,615.46
  4. Step 4: Simplify right side
    125,205.30x = 11,855,211,757.08
  5. Step 5: Solve for x
    x = 11,855,211,757.08/125,205.30
  6. Step 6: Final answer
    x = 94,686.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.