Home / 274,827.92-379,273.41-153,970.20

Finding the Fourth Proportional to 274,827.92, 379,273.41 and 153,970.20

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Solution

The fourth proportional to 274,827.92, 379,273.41 and 153,970.20 is: 212,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,827.92 : 379,273.41 = 153,970.20 : x
  2. Step 2: Convert to fraction form
    274,827.92/379,273.41 = 153,970.20/x
  3. Step 3: Cross multiply
    274,827.92x = 379,273.41 × 153,970.20
  4. Step 4: Simplify right side
    274,827.92x = 58,396,802,792.38
  5. Step 5: Solve for x
    x = 58,396,802,792.38/274,827.92
  6. Step 6: Final answer
    x = 212,484.98

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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.