Home / 386,532.75-533,440.43-223,196.15

Finding the Fourth Proportional to 386,532.75, 533,440.43 and 223,196.15

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Solution

The fourth proportional to 386,532.75, 533,440.43 and 223,196.15 is: 308,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,532.75 : 533,440.43 = 223,196.15 : x
  2. Step 2: Convert to fraction form
    386,532.75/533,440.43 = 223,196.15/x
  3. Step 3: Cross multiply
    386,532.75x = 533,440.43 × 223,196.15
  4. Step 4: Simplify right side
    386,532.75x = 119,061,850,230.35
  5. Step 5: Solve for x
    x = 119,061,850,230.35/386,532.75
  6. Step 6: Final answer
    x = 308,025.26

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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.