Home / 131,812.29-181,913.99-75,232.17

Finding the Fourth Proportional to 131,812.29, 181,913.99 and 75,232.17

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Solution

The fourth proportional to 131,812.29, 181,913.99 and 75,232.17 is: 103,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,812.29 : 181,913.99 = 75,232.17 : x
  2. Step 2: Convert to fraction form
    131,812.29/181,913.99 = 75,232.17/x
  3. Step 3: Cross multiply
    131,812.29x = 181,913.99 × 75,232.17
  4. Step 4: Simplify right side
    131,812.29x = 13,685,783,844.90
  5. Step 5: Solve for x
    x = 13,685,783,844.90/131,812.29
  6. Step 6: Final answer
    x = 103,827.83

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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.