Home / 341,442.92-512,220.04-128,227.43

Finding the Fourth Proportional to 341,442.92, 512,220.04 and 128,227.43

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Solution

The fourth proportional to 341,442.92, 512,220.04 and 128,227.43 is: 192,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,442.92 : 512,220.04 = 128,227.43 : x
  2. Step 2: Convert to fraction form
    341,442.92/512,220.04 = 128,227.43/x
  3. Step 3: Cross multiply
    341,442.92x = 512,220.04 × 128,227.43
  4. Step 4: Simplify right side
    341,442.92x = 65,680,660,283.68
  5. Step 5: Solve for x
    x = 65,680,660,283.68/341,442.92
  6. Step 6: Final answer
    x = 192,362.05

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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.