Home / 197,043.94-271,920.95-112,161.01

Finding the Fourth Proportional to 197,043.94, 271,920.95 and 112,161.01

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Solution

The fourth proportional to 197,043.94, 271,920.95 and 112,161.01 is: 154,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,043.94 : 271,920.95 = 112,161.01 : x
  2. Step 2: Convert to fraction form
    197,043.94/271,920.95 = 112,161.01/x
  3. Step 3: Cross multiply
    197,043.94x = 271,920.95 × 112,161.01
  4. Step 4: Simplify right side
    197,043.94x = 30,498,927,572.16
  5. Step 5: Solve for x
    x = 30,498,927,572.16/197,043.94
  6. Step 6: Final answer
    x = 154,782.37

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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.