Home / 107,584.40-161,376.60-82,701.20

Finding the Fourth Proportional to 107,584.40, 161,376.60 and 82,701.20

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Solution

The fourth proportional to 107,584.40, 161,376.60 and 82,701.20 is: 124,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,584.40 : 161,376.60 = 82,701.20 : x
  2. Step 2: Convert to fraction form
    107,584.40/161,376.60 = 82,701.20/x
  3. Step 3: Cross multiply
    107,584.40x = 161,376.60 × 82,701.20
  4. Step 4: Simplify right side
    107,584.40x = 13,346,038,471.92
  5. Step 5: Solve for x
    x = 13,346,038,471.92/107,584.40
  6. Step 6: Final answer
    x = 124,051.80

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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.