Home / 204,477.32-282,127.47-122,819.28

Finding the Fourth Proportional to 204,477.32, 282,127.47 and 122,819.28

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Solution

The fourth proportional to 204,477.32, 282,127.47 and 122,819.28 is: 169,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,477.32 : 282,127.47 = 122,819.28 : x
  2. Step 2: Convert to fraction form
    204,477.32/282,127.47 = 122,819.28/x
  3. Step 3: Cross multiply
    204,477.32x = 282,127.47 × 122,819.28
  4. Step 4: Simplify right side
    204,477.32x = 34,650,692,733.62
  5. Step 5: Solve for x
    x = 34,650,692,733.62/204,477.32
  6. Step 6: Final answer
    x = 169,459.84

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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.