Home / 158,856.38-219,271.01-102,267.75

Finding the Fourth Proportional to 158,856.38, 219,271.01 and 102,267.75

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Solution

The fourth proportional to 158,856.38, 219,271.01 and 102,267.75 is: 141,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,856.38 : 219,271.01 = 102,267.75 : x
  2. Step 2: Convert to fraction form
    158,856.38/219,271.01 = 102,267.75/x
  3. Step 3: Cross multiply
    158,856.38x = 219,271.01 × 102,267.75
  4. Step 4: Simplify right side
    158,856.38x = 22,424,352,321.59
  5. Step 5: Solve for x
    x = 22,424,352,321.59/158,856.38
  6. Step 6: Final answer
    x = 141,161.17

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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.