Home / 276,914.60-382,141.90-149,590.16

Finding the Fourth Proportional to 276,914.60, 382,141.90 and 149,590.16

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Solution

The fourth proportional to 276,914.60, 382,141.90 and 149,590.16 is: 206,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,914.60 : 382,141.90 = 149,590.16 : x
  2. Step 2: Convert to fraction form
    276,914.60/382,141.90 = 149,590.16/x
  3. Step 3: Cross multiply
    276,914.60x = 382,141.90 × 149,590.16
  4. Step 4: Simplify right side
    276,914.60x = 57,164,667,963.70
  5. Step 5: Solve for x
    x = 57,164,667,963.70/276,914.60
  6. Step 6: Final answer
    x = 206,434.29

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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.