Home / 432,078.20-648,117.30-182,760.20

Finding the Fourth Proportional to 432,078.20, 648,117.30 and 182,760.20

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Solution

The fourth proportional to 432,078.20, 648,117.30 and 182,760.20 is: 274,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,078.20 : 648,117.30 = 182,760.20 : x
  2. Step 2: Convert to fraction form
    432,078.20/648,117.30 = 182,760.20/x
  3. Step 3: Cross multiply
    432,078.20x = 648,117.30 × 182,760.20
  4. Step 4: Simplify right side
    432,078.20x = 118,450,047,371.46
  5. Step 5: Solve for x
    x = 118,450,047,371.46/432,078.20
  6. Step 6: Final answer
    x = 274,140.30

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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.