Home / 107,575.04-161,243.04-81,194.24

Finding the Fourth Proportional to 107,575.04, 161,243.04 and 81,194.24

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Solution

The fourth proportional to 107,575.04, 161,243.04 and 81,194.24 is: 121,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,575.04 : 161,243.04 = 81,194.24 : x
  2. Step 2: Convert to fraction form
    107,575.04/161,243.04 = 81,194.24/x
  3. Step 3: Cross multiply
    107,575.04x = 161,243.04 × 81,194.24
  4. Step 4: Simplify right side
    107,575.04x = 13,092,006,088.09
  5. Step 5: Solve for x
    x = 13,092,006,088.09/107,575.04
  6. Step 6: Final answer
    x = 121,701.15

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1.5x scale

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.