Home / 107,419.22-161,117.49-28,541.42

Finding the Fourth Proportional to 107,419.22, 161,117.49 and 28,541.42

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Solution

The fourth proportional to 107,419.22, 161,117.49 and 28,541.42 is: 42,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,419.22 : 161,117.49 = 28,541.42 : x
  2. Step 2: Convert to fraction form
    107,419.22/161,117.49 = 28,541.42/x
  3. Step 3: Cross multiply
    107,419.22x = 161,117.49 × 28,541.42
  4. Step 4: Simplify right side
    107,419.22x = 4,598,521,951.44
  5. Step 5: Solve for x
    x = 4,598,521,951.44/107,419.22
  6. Step 6: Final answer
    x = 42,809.12

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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.