Home / 274,823.64-379,170.54-153,948.60

Finding the Fourth Proportional to 274,823.64, 379,170.54 and 153,948.60

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Solution

The fourth proportional to 274,823.64, 379,170.54 and 153,948.60 is: 212,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,823.64 : 379,170.54 = 153,948.60 : x
  2. Step 2: Convert to fraction form
    274,823.64/379,170.54 = 153,948.60/x
  3. Step 3: Cross multiply
    274,823.64x = 379,170.54 × 153,948.60
  4. Step 4: Simplify right side
    274,823.64x = 58,372,773,794.24
  5. Step 5: Solve for x
    x = 58,372,773,794.24/274,823.64
  6. Step 6: Final answer
    x = 212,400.85

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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.