Home / 155,776.38-214,974.90-92,115.24

Finding the Fourth Proportional to 155,776.38, 214,974.90 and 92,115.24

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Solution

The fourth proportional to 155,776.38, 214,974.90 and 92,115.24 is: 127,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,776.38 : 214,974.90 = 92,115.24 : x
  2. Step 2: Convert to fraction form
    155,776.38/214,974.90 = 92,115.24/x
  3. Step 3: Cross multiply
    155,776.38x = 214,974.90 × 92,115.24
  4. Step 4: Simplify right side
    155,776.38x = 19,802,464,507.48
  5. Step 5: Solve for x
    x = 19,802,464,507.48/155,776.38
  6. Step 6: Final answer
    x = 127,121.10

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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.