Home / 147,950.20-221,743.05-100,565.20

Finding the Fourth Proportional to 147,950.20, 221,743.05 and 100,565.20

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Solution

The fourth proportional to 147,950.20, 221,743.05 and 100,565.20 is: 150,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,950.20 : 221,743.05 = 100,565.20 : x
  2. Step 2: Convert to fraction form
    147,950.20/221,743.05 = 100,565.20/x
  3. Step 3: Cross multiply
    147,950.20x = 221,743.05 × 100,565.20
  4. Step 4: Simplify right side
    147,950.20x = 22,299,634,171.86
  5. Step 5: Solve for x
    x = 22,299,634,171.86/147,950.20
  6. Step 6: Final answer
    x = 150,723.92

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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.