Home / 134,156.76-200,972.66-102,838.92

Finding the Fourth Proportional to 134,156.76, 200,972.66 and 102,838.92

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Solution

The fourth proportional to 134,156.76, 200,972.66 and 102,838.92 is: 154,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,156.76 : 200,972.66 = 102,838.92 : x
  2. Step 2: Convert to fraction form
    134,156.76/200,972.66 = 102,838.92/x
  3. Step 3: Cross multiply
    134,156.76x = 200,972.66 × 102,838.92
  4. Step 4: Simplify right side
    134,156.76x = 20,667,811,303.93
  5. Step 5: Solve for x
    x = 20,667,811,303.93/134,156.76
  6. Step 6: Final answer
    x = 154,057.17

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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.