Home / 107,565.74-161,327.34-102,231.48

Finding the Fourth Proportional to 107,565.74, 161,327.34 and 102,231.48

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Solution

The fourth proportional to 107,565.74, 161,327.34 and 102,231.48 is: 153,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,565.74 : 161,327.34 = 102,231.48 : x
  2. Step 2: Convert to fraction form
    107,565.74/161,327.34 = 102,231.48/x
  3. Step 3: Cross multiply
    107,565.74x = 161,327.34 × 102,231.48
  4. Step 4: Simplify right side
    107,565.74x = 16,492,732,732.66
  5. Step 5: Solve for x
    x = 16,492,732,732.66/107,565.74
  6. Step 6: Final answer
    x = 153,327.00

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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.