Home / 96,839.60-145,259.40-85,175.60

Finding the Fourth Proportional to 96,839.60, 145,259.40 and 85,175.60

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Solution

The fourth proportional to 96,839.60, 145,259.40 and 85,175.60 is: 127,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,839.60 : 145,259.40 = 85,175.60 : x
  2. Step 2: Convert to fraction form
    96,839.60/145,259.40 = 85,175.60/x
  3. Step 3: Cross multiply
    96,839.60x = 145,259.40 × 85,175.60
  4. Step 4: Simplify right side
    96,839.60x = 12,372,556,550.64
  5. Step 5: Solve for x
    x = 12,372,556,550.64/96,839.60
  6. Step 6: Final answer
    x = 127,763.40

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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.