Home / 175,265.20-263,070.60-86,618.80

Finding the Fourth Proportional to 175,265.20, 263,070.60 and 86,618.80

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Solution

The fourth proportional to 175,265.20, 263,070.60 and 86,618.80 is: 130,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,265.20 : 263,070.60 = 86,618.80 : x
  2. Step 2: Convert to fraction form
    175,265.20/263,070.60 = 86,618.80/x
  3. Step 3: Cross multiply
    175,265.20x = 263,070.60 × 86,618.80
  4. Step 4: Simplify right side
    175,265.20x = 22,786,859,687.28
  5. Step 5: Solve for x
    x = 22,786,859,687.28/175,265.20
  6. Step 6: Final answer
    x = 130,013.60

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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.