Home / 125,586.20-173,301.06-115,555.16

Finding the Fourth Proportional to 125,586.20, 173,301.06 and 115,555.16

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Solution

The fourth proportional to 125,586.20, 173,301.06 and 115,555.16 is: 159,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,586.20 : 173,301.06 = 115,555.16 : x
  2. Step 2: Convert to fraction form
    125,586.20/173,301.06 = 115,555.16/x
  3. Step 3: Cross multiply
    125,586.20x = 173,301.06 × 115,555.16
  4. Step 4: Simplify right side
    125,586.20x = 20,025,831,716.47
  5. Step 5: Solve for x
    x = 20,025,831,716.47/125,586.20
  6. Step 6: Final answer
    x = 159,458.86

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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.