Home / 131,179.49-181,011.07-74,592.08

Finding the Fourth Proportional to 131,179.49, 181,011.07 and 74,592.08

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Solution

The fourth proportional to 131,179.49, 181,011.07 and 74,592.08 is: 102,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,179.49 : 181,011.07 = 74,592.08 : x
  2. Step 2: Convert to fraction form
    131,179.49/181,011.07 = 74,592.08/x
  3. Step 3: Cross multiply
    131,179.49x = 181,011.07 × 74,592.08
  4. Step 4: Simplify right side
    131,179.49x = 13,501,992,214.33
  5. Step 5: Solve for x
    x = 13,501,992,214.33/131,179.49
  6. Step 6: Final answer
    x = 102,927.62

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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.