Home / 372,111.80-558,167.70-222,812.60

Finding the Fourth Proportional to 372,111.80, 558,167.70 and 222,812.60

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Solution

The fourth proportional to 372,111.80, 558,167.70 and 222,812.60 is: 334,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,111.80 : 558,167.70 = 222,812.60 : x
  2. Step 2: Convert to fraction form
    372,111.80/558,167.70 = 222,812.60/x
  3. Step 3: Cross multiply
    372,111.80x = 558,167.70 × 222,812.60
  4. Step 4: Simplify right side
    372,111.80x = 124,366,796,473.02
  5. Step 5: Solve for x
    x = 124,366,796,473.02/372,111.80
  6. Step 6: Final answer
    x = 334,218.90

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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.