Home / 276,904.06-382,127.78-149,579.70

Finding the Fourth Proportional to 276,904.06, 382,127.78 and 149,579.70

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Solution

The fourth proportional to 276,904.06, 382,127.78 and 149,579.70 is: 206,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,904.06 : 382,127.78 = 149,579.70 : x
  2. Step 2: Convert to fraction form
    276,904.06/382,127.78 = 149,579.70/x
  3. Step 3: Cross multiply
    276,904.06x = 382,127.78 × 149,579.70
  4. Step 4: Simplify right side
    276,904.06x = 57,158,558,694.07
  5. Step 5: Solve for x
    x = 57,158,558,694.07/276,904.06
  6. Step 6: Final answer
    x = 206,420.08

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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.