Home / 326,730.24-450,885.22-188,906.18

Finding the Fourth Proportional to 326,730.24, 450,885.22 and 188,906.18

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Solution

The fourth proportional to 326,730.24, 450,885.22 and 188,906.18 is: 260,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,730.24 : 450,885.22 = 188,906.18 : x
  2. Step 2: Convert to fraction form
    326,730.24/450,885.22 = 188,906.18/x
  3. Step 3: Cross multiply
    326,730.24x = 450,885.22 × 188,906.18
  4. Step 4: Simplify right side
    326,730.24x = 85,175,001,801.97
  5. Step 5: Solve for x
    x = 85,175,001,801.97/326,730.24
  6. Step 6: Final answer
    x = 260,689.07

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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.