Home / 346,146.54-477,726.03-200,921.28

Finding the Fourth Proportional to 346,146.54, 477,726.03 and 200,921.28

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Solution

The fourth proportional to 346,146.54, 477,726.03 and 200,921.28 is: 277,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,146.54 : 477,726.03 = 200,921.28 : x
  2. Step 2: Convert to fraction form
    346,146.54/477,726.03 = 200,921.28/x
  3. Step 3: Cross multiply
    346,146.54x = 477,726.03 × 200,921.28
  4. Step 4: Simplify right side
    346,146.54x = 95,985,325,436.92
  5. Step 5: Solve for x
    x = 95,985,325,436.92/346,146.54
  6. Step 6: Final answer
    x = 277,296.79

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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.