Home / 276,918.75-382,147.88-149,594.40

Finding the Fourth Proportional to 276,918.75, 382,147.88 and 149,594.40

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Solution

The fourth proportional to 276,918.75, 382,147.88 and 149,594.40 is: 206,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,918.75 : 382,147.88 = 149,594.40 : x
  2. Step 2: Convert to fraction form
    276,918.75/382,147.88 = 149,594.40/x
  3. Step 3: Cross multiply
    276,918.75x = 382,147.88 × 149,594.40
  4. Step 4: Simplify right side
    276,918.75x = 57,167,182,071.90
  5. Step 5: Solve for x
    x = 57,167,182,071.90/276,918.75
  6. Step 6: Final answer
    x = 206,440.27

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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.