Home / 107,852.40-161,778.60-60,613.20

Finding the Fourth Proportional to 107,852.40, 161,778.60 and 60,613.20

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Solution

The fourth proportional to 107,852.40, 161,778.60 and 60,613.20 is: 90,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,852.40 : 161,778.60 = 60,613.20 : x
  2. Step 2: Convert to fraction form
    107,852.40/161,778.60 = 60,613.20/x
  3. Step 3: Cross multiply
    107,852.40x = 161,778.60 × 60,613.20
  4. Step 4: Simplify right side
    107,852.40x = 9,805,918,637.52
  5. Step 5: Solve for x
    x = 9,805,918,637.52/107,852.40
  6. Step 6: Final answer
    x = 90,919.80

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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.