Home / 274,836.32-379,298.58-153,976.84

Finding the Fourth Proportional to 274,836.32, 379,298.58 and 153,976.84

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Solution

The fourth proportional to 274,836.32, 379,298.58 and 153,976.84 is: 212,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,836.32 : 379,298.58 = 153,976.84 : x
  2. Step 2: Convert to fraction form
    274,836.32/379,298.58 = 153,976.84/x
  3. Step 3: Cross multiply
    274,836.32x = 379,298.58 × 153,976.84
  4. Step 4: Simplify right side
    274,836.32x = 58,403,196,764.89
  5. Step 5: Solve for x
    x = 58,403,196,764.89/274,836.32
  6. Step 6: Final answer
    x = 212,501.74

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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.