Home / 250,079.54-345,077.62-142,643.16

Finding the Fourth Proportional to 250,079.54, 345,077.62 and 142,643.16

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Solution

The fourth proportional to 250,079.54, 345,077.62 and 142,643.16 is: 196,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,079.54 : 345,077.62 = 142,643.16 : x
  2. Step 2: Convert to fraction form
    250,079.54/345,077.62 = 142,643.16/x
  3. Step 3: Cross multiply
    250,079.54x = 345,077.62 × 142,643.16
  4. Step 4: Simplify right side
    250,079.54x = 49,222,961,805.47
  5. Step 5: Solve for x
    x = 49,222,961,805.47/250,079.54
  6. Step 6: Final answer
    x = 196,829.23

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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.