Home / 147,170.32-203,081.17-82,626.95

Finding the Fourth Proportional to 147,170.32, 203,081.17 and 82,626.95

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Solution

The fourth proportional to 147,170.32, 203,081.17 and 82,626.95 is: 114,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,170.32 : 203,081.17 = 82,626.95 : x
  2. Step 2: Convert to fraction form
    147,170.32/203,081.17 = 82,626.95/x
  3. Step 3: Cross multiply
    147,170.32x = 203,081.17 × 82,626.95
  4. Step 4: Simplify right side
    147,170.32x = 16,779,978,288.01
  5. Step 5: Solve for x
    x = 16,779,978,288.01/147,170.32
  6. Step 6: Final answer
    x = 114,017.40

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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.