Home / 276,888.66-382,106.50-149,564.25

Finding the Fourth Proportional to 276,888.66, 382,106.50 and 149,564.25

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Solution

The fourth proportional to 276,888.66, 382,106.50 and 149,564.25 is: 206,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,888.66 : 382,106.50 = 149,564.25 : x
  2. Step 2: Convert to fraction form
    276,888.66/382,106.50 = 149,564.25/x
  3. Step 3: Cross multiply
    276,888.66x = 382,106.50 × 149,564.25
  4. Step 4: Simplify right side
    276,888.66x = 57,149,471,718.71
  5. Step 5: Solve for x
    x = 57,149,471,718.71/276,888.66
  6. Step 6: Final answer
    x = 206,398.75

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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.