Home / 250,066.36-345,252.54-223,162.66

Finding the Fourth Proportional to 250,066.36, 345,252.54 and 223,162.66

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Solution

The fourth proportional to 250,066.36, 345,252.54 and 223,162.66 is: 308,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,066.36 : 345,252.54 = 223,162.66 : x
  2. Step 2: Convert to fraction form
    250,066.36/345,252.54 = 223,162.66/x
  3. Step 3: Cross multiply
    250,066.36x = 345,252.54 × 223,162.66
  4. Step 4: Simplify right side
    250,066.36x = 77,047,475,198.16
  5. Step 5: Solve for x
    x = 77,047,475,198.16/250,066.36
  6. Step 6: Final answer
    x = 308,108.12

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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.