Home / 155,906.40-233,859.60-96,808.80

Finding the Fourth Proportional to 155,906.40, 233,859.60 and 96,808.80

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Solution

The fourth proportional to 155,906.40, 233,859.60 and 96,808.80 is: 145,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,906.40 : 233,859.60 = 96,808.80 : x
  2. Step 2: Convert to fraction form
    155,906.40/233,859.60 = 96,808.80/x
  3. Step 3: Cross multiply
    155,906.40x = 233,859.60 × 96,808.80
  4. Step 4: Simplify right side
    155,906.40x = 22,639,667,244.48
  5. Step 5: Solve for x
    x = 22,639,667,244.48/155,906.40
  6. Step 6: Final answer
    x = 145,213.20

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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.