Home / 175,300.80-262,778.40-86,481.60

Finding the Fourth Proportional to 175,300.80, 262,778.40 and 86,481.60

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Solution

The fourth proportional to 175,300.80, 262,778.40 and 86,481.60 is: 129,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,300.80 : 262,778.40 = 86,481.60 : x
  2. Step 2: Convert to fraction form
    175,300.80/262,778.40 = 86,481.60/x
  3. Step 3: Cross multiply
    175,300.80x = 262,778.40 × 86,481.60
  4. Step 4: Simplify right side
    175,300.80x = 22,725,496,477.44
  5. Step 5: Solve for x
    x = 22,725,496,477.44/175,300.80
  6. Step 6: Final answer
    x = 129,637.15

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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.