Home / 175,235.20-263,025.60-86,588.80

Finding the Fourth Proportional to 175,235.20, 263,025.60 and 86,588.80

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Solution

The fourth proportional to 175,235.20, 263,025.60 and 86,588.80 is: 129,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,235.20 : 263,025.60 = 86,588.80 : x
  2. Step 2: Convert to fraction form
    175,235.20/263,025.60 = 86,588.80/x
  3. Step 3: Cross multiply
    175,235.20x = 263,025.60 × 86,588.80
  4. Step 4: Simplify right side
    175,235.20x = 22,775,071,073.28
  5. Step 5: Solve for x
    x = 22,775,071,073.28/175,235.20
  6. Step 6: Final answer
    x = 129,968.59

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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.