Home / 167,427.10-251,140.65-74,115.10

Finding the Fourth Proportional to 167,427.10, 251,140.65 and 74,115.10

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Solution

The fourth proportional to 167,427.10, 251,140.65 and 74,115.10 is: 111,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,427.10 : 251,140.65 = 74,115.10 : x
  2. Step 2: Convert to fraction form
    167,427.10/251,140.65 = 74,115.10/x
  3. Step 3: Cross multiply
    167,427.10x = 251,140.65 × 74,115.10
  4. Step 4: Simplify right side
    167,427.10x = 18,613,314,388.82
  5. Step 5: Solve for x
    x = 18,613,314,388.82/167,427.10
  6. Step 6: Final answer
    x = 111,172.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.