Home / 262,113.06-392,593.28-216,618.80

Finding the Fourth Proportional to 262,113.06, 392,593.28 and 216,618.80

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Solution

The fourth proportional to 262,113.06, 392,593.28 and 216,618.80 is: 324,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,113.06 : 392,593.28 = 216,618.80 : x
  2. Step 2: Convert to fraction form
    262,113.06/392,593.28 = 216,618.80/x
  3. Step 3: Cross multiply
    262,113.06x = 392,593.28 × 216,618.80
  4. Step 4: Simplify right side
    262,113.06x = 85,043,085,201.66
  5. Step 5: Solve for x
    x = 85,043,085,201.66/262,113.06
  6. Step 6: Final answer
    x = 324,451.92

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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.