Home / 143,422.20-215,192.16-63,417.96

Finding the Fourth Proportional to 143,422.20, 215,192.16 and 63,417.96

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Solution

The fourth proportional to 143,422.20, 215,192.16 and 63,417.96 is: 95,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,422.20 : 215,192.16 = 63,417.96 : x
  2. Step 2: Convert to fraction form
    143,422.20/215,192.16 = 63,417.96/x
  3. Step 3: Cross multiply
    143,422.20x = 215,192.16 × 63,417.96
  4. Step 4: Simplify right side
    143,422.20x = 13,647,047,795.19
  5. Step 5: Solve for x
    x = 13,647,047,795.19/143,422.20
  6. Step 6: Final answer
    x = 95,152.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.