Home / 107,827.60-161,741.40-105,523.60

Finding the Fourth Proportional to 107,827.60, 161,741.40 and 105,523.60

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Solution

The fourth proportional to 107,827.60, 161,741.40 and 105,523.60 is: 158,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,827.60 : 161,741.40 = 105,523.60 : x
  2. Step 2: Convert to fraction form
    107,827.60/161,741.40 = 105,523.60/x
  3. Step 3: Cross multiply
    107,827.60x = 161,741.40 × 105,523.60
  4. Step 4: Simplify right side
    107,827.60x = 17,067,534,797.04
  5. Step 5: Solve for x
    x = 17,067,534,797.04/107,827.60
  6. Step 6: Final answer
    x = 158,285.40

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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.