Home / 224,101.87-309,260.64-122,127.36

Finding the Fourth Proportional to 224,101.87, 309,260.64 and 122,127.36

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Solution

The fourth proportional to 224,101.87, 309,260.64 and 122,127.36 is: 168,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,101.87 : 309,260.64 = 122,127.36 : x
  2. Step 2: Convert to fraction form
    224,101.87/309,260.64 = 122,127.36/x
  3. Step 3: Cross multiply
    224,101.87x = 309,260.64 × 122,127.36
  4. Step 4: Simplify right side
    224,101.87x = 37,769,184,904.47
  5. Step 5: Solve for x
    x = 37,769,184,904.47/224,101.87
  6. Step 6: Final answer
    x = 168,535.79

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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.