Home / 174,132.31-261,177.40-47,782.84

Finding the Fourth Proportional to 174,132.31, 261,177.40 and 47,782.84

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Solution

The fourth proportional to 174,132.31, 261,177.40 and 47,782.84 is: 71,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,132.31 : 261,177.40 = 47,782.84 : x
  2. Step 2: Convert to fraction form
    174,132.31/261,177.40 = 47,782.84/x
  3. Step 3: Cross multiply
    174,132.31x = 261,177.40 × 47,782.84
  4. Step 4: Simplify right side
    174,132.31x = 12,479,797,143.42
  5. Step 5: Solve for x
    x = 12,479,797,143.42/174,132.31
  6. Step 6: Final answer
    x = 71,668.48

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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.