Home / 375,672.08-518,432.04-205,902.56

Finding the Fourth Proportional to 375,672.08, 518,432.04 and 205,902.56

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Solution

The fourth proportional to 375,672.08, 518,432.04 and 205,902.56 is: 284,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,672.08 : 518,432.04 = 205,902.56 : x
  2. Step 2: Convert to fraction form
    375,672.08/518,432.04 = 205,902.56/x
  3. Step 3: Cross multiply
    375,672.08x = 518,432.04 × 205,902.56
  4. Step 4: Simplify right side
    375,672.08x = 106,746,484,222.02
  5. Step 5: Solve for x
    x = 106,746,484,222.02/375,672.08
  6. Step 6: Final answer
    x = 284,148.04

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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.