Home / 125,273.22-172,885.05-82,757.22

Finding the Fourth Proportional to 125,273.22, 172,885.05 and 82,757.22

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Solution

The fourth proportional to 125,273.22, 172,885.05 and 82,757.22 is: 114,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,273.22 : 172,885.05 = 82,757.22 : x
  2. Step 2: Convert to fraction form
    125,273.22/172,885.05 = 82,757.22/x
  3. Step 3: Cross multiply
    125,273.22x = 172,885.05 × 82,757.22
  4. Step 4: Simplify right side
    125,273.22x = 14,307,486,117.56
  5. Step 5: Solve for x
    x = 14,307,486,117.56/125,273.22
  6. Step 6: Final answer
    x = 114,210.25

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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.