Home / 401,188.03-553,696.24-248,275.47

Finding the Fourth Proportional to 401,188.03, 553,696.24 and 248,275.47

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Solution

The fourth proportional to 401,188.03, 553,696.24 and 248,275.47 is: 342,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,188.03 : 553,696.24 = 248,275.47 : x
  2. Step 2: Convert to fraction form
    401,188.03/553,696.24 = 248,275.47/x
  3. Step 3: Cross multiply
    401,188.03x = 553,696.24 × 248,275.47
  4. Step 4: Simplify right side
    401,188.03x = 137,469,194,223.23
  5. Step 5: Solve for x
    x = 137,469,194,223.23/401,188.03
  6. Step 6: Final answer
    x = 342,655.27

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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.