Home / 250,619.88-345,779.85-153,724.16

Finding the Fourth Proportional to 250,619.88, 345,779.85 and 153,724.16

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Solution

The fourth proportional to 250,619.88, 345,779.85 and 153,724.16 is: 212,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,619.88 : 345,779.85 = 153,724.16 : x
  2. Step 2: Convert to fraction form
    250,619.88/345,779.85 = 153,724.16/x
  3. Step 3: Cross multiply
    250,619.88x = 345,779.85 × 153,724.16
  4. Step 4: Simplify right side
    250,619.88x = 53,154,715,257.28
  5. Step 5: Solve for x
    x = 53,154,715,257.28/250,619.88
  6. Step 6: Final answer
    x = 212,092.97

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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.