Home / 223,411.37-335,011.73-81,156.36

Finding the Fourth Proportional to 223,411.37, 335,011.73 and 81,156.36

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Solution

The fourth proportional to 223,411.37, 335,011.73 and 81,156.36 is: 121,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,411.37 : 335,011.73 = 81,156.36 : x
  2. Step 2: Convert to fraction form
    223,411.37/335,011.73 = 81,156.36/x
  3. Step 3: Cross multiply
    223,411.37x = 335,011.73 × 81,156.36
  4. Step 4: Simplify right side
    223,411.37x = 27,188,332,158.32
  5. Step 5: Solve for x
    x = 27,188,332,158.32/223,411.37
  6. Step 6: Final answer
    x = 121,696.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.