Home / 143,618.91-215,526.80-50,124.66

Finding the Fourth Proportional to 143,618.91, 215,526.80 and 50,124.66

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Solution

The fourth proportional to 143,618.91, 215,526.80 and 50,124.66 is: 75,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,618.91 : 215,526.80 = 50,124.66 : x
  2. Step 2: Convert to fraction form
    143,618.91/215,526.80 = 50,124.66/x
  3. Step 3: Cross multiply
    143,618.91x = 215,526.80 × 50,124.66
  4. Step 4: Simplify right side
    143,618.91x = 10,803,207,570.89
  5. Step 5: Solve for x
    x = 10,803,207,570.89/143,618.91
  6. Step 6: Final answer
    x = 75,221.34

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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.