Home / 324,032.22-447,120-180,764.55

Finding the Fourth Proportional to 324,032.22, 447,120 and 180,764.55

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Solution

The fourth proportional to 324,032.22, 447,120 and 180,764.55 is: 249,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,032.22 : 447,120 = 180,764.55 : x
  2. Step 2: Convert to fraction form
    324,032.22/447,120 = 180,764.55/x
  3. Step 3: Cross multiply
    324,032.22x = 447,120 × 180,764.55
  4. Step 4: Simplify right side
    324,032.22x = 80,823,445,596
  5. Step 5: Solve for x
    x = 80,823,445,596/324,032.22
  6. Step 6: Final answer
    x = 249,430.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.