Home / 167,543.10-251,314.65-74,231.10

Finding the Fourth Proportional to 167,543.10, 251,314.65 and 74,231.10

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Solution

The fourth proportional to 167,543.10, 251,314.65 and 74,231.10 is: 111,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,543.10 : 251,314.65 = 74,231.10 : x
  2. Step 2: Convert to fraction form
    167,543.10/251,314.65 = 74,231.10/x
  3. Step 3: Cross multiply
    167,543.10x = 251,314.65 × 74,231.10
  4. Step 4: Simplify right side
    167,543.10x = 18,655,362,915.62
  5. Step 5: Solve for x
    x = 18,655,362,915.62/167,543.10
  6. Step 6: Final answer
    x = 111,346.65

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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.