Home / 175,316.20-263,147.10-86,669.80

Finding the Fourth Proportional to 175,316.20, 263,147.10 and 86,669.80

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Solution

The fourth proportional to 175,316.20, 263,147.10 and 86,669.80 is: 130,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,316.20 : 263,147.10 = 86,669.80 : x
  2. Step 2: Convert to fraction form
    175,316.20/263,147.10 = 86,669.80/x
  3. Step 3: Cross multiply
    175,316.20x = 263,147.10 × 86,669.80
  4. Step 4: Simplify right side
    175,316.20x = 22,806,906,527.58
  5. Step 5: Solve for x
    x = 22,806,906,527.58/175,316.20
  6. Step 6: Final answer
    x = 130,090.13

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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.