Home / 142,228.43-196,267.08-84,932.40

Finding the Fourth Proportional to 142,228.43, 196,267.08 and 84,932.40

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Solution

The fourth proportional to 142,228.43, 196,267.08 and 84,932.40 is: 117,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,228.43 : 196,267.08 = 84,932.40 : x
  2. Step 2: Convert to fraction form
    142,228.43/196,267.08 = 84,932.40/x
  3. Step 3: Cross multiply
    142,228.43x = 196,267.08 × 84,932.40
  4. Step 4: Simplify right side
    142,228.43x = 16,669,434,145.39
  5. Step 5: Solve for x
    x = 16,669,434,145.39/142,228.43
  6. Step 6: Final answer
    x = 117,201.85

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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.