Home / 216,916.20-325,512.54-92,257

Finding the Fourth Proportional to 216,916.20, 325,512.54 and 92,257

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Solution

The fourth proportional to 216,916.20, 325,512.54 and 92,257 is: 138,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,916.20 : 325,512.54 = 92,257 : x
  2. Step 2: Convert to fraction form
    216,916.20/325,512.54 = 92,257/x
  3. Step 3: Cross multiply
    216,916.20x = 325,512.54 × 92,257
  4. Step 4: Simplify right side
    216,916.20x = 30,030,810,402.78
  5. Step 5: Solve for x
    x = 30,030,810,402.78/216,916.20
  6. Step 6: Final answer
    x = 138,444.30

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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.