Home / 107,370.92-161,023.56-51,181.40

Finding the Fourth Proportional to 107,370.92, 161,023.56 and 51,181.40

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Solution

The fourth proportional to 107,370.92, 161,023.56 and 51,181.40 is: 76,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,370.92 : 161,023.56 = 51,181.40 : x
  2. Step 2: Convert to fraction form
    107,370.92/161,023.56 = 51,181.40/x
  3. Step 3: Cross multiply
    107,370.92x = 161,023.56 × 51,181.40
  4. Step 4: Simplify right side
    107,370.92x = 8,241,411,233.78
  5. Step 5: Solve for x
    x = 8,241,411,233.78/107,370.92
  6. Step 6: Final answer
    x = 76,756.46

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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.