Home / 125,808.72-173,428.20-83,293.44

Finding the Fourth Proportional to 125,808.72, 173,428.20 and 83,293.44

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Solution

The fourth proportional to 125,808.72, 173,428.20 and 83,293.44 is: 114,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,808.72 : 173,428.20 = 83,293.44 : x
  2. Step 2: Convert to fraction form
    125,808.72/173,428.20 = 83,293.44/x
  3. Step 3: Cross multiply
    125,808.72x = 173,428.20 × 83,293.44
  4. Step 4: Simplify right side
    125,808.72x = 14,445,431,371.01
  5. Step 5: Solve for x
    x = 14,445,431,371.01/125,808.72
  6. Step 6: Final answer
    x = 114,820.59

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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.