Home / 143,434.94-197,981.90-95,688.17

Finding the Fourth Proportional to 143,434.94, 197,981.90 and 95,688.17

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Solution

The fourth proportional to 143,434.94, 197,981.90 and 95,688.17 is: 132,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,434.94 : 197,981.90 = 95,688.17 : x
  2. Step 2: Convert to fraction form
    143,434.94/197,981.90 = 95,688.17/x
  3. Step 3: Cross multiply
    143,434.94x = 197,981.90 × 95,688.17
  4. Step 4: Simplify right side
    143,434.94x = 18,944,524,235.77
  5. Step 5: Solve for x
    x = 18,944,524,235.77/143,434.94
  6. Step 6: Final answer
    x = 132,077.48

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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.