Home / 212,724.92-293,566.55-117,237.78

Finding the Fourth Proportional to 212,724.92, 293,566.55 and 117,237.78

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Solution

The fourth proportional to 212,724.92, 293,566.55 and 117,237.78 is: 161,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,724.92 : 293,566.55 = 117,237.78 : x
  2. Step 2: Convert to fraction form
    212,724.92/293,566.55 = 117,237.78/x
  3. Step 3: Cross multiply
    212,724.92x = 293,566.55 × 117,237.78
  4. Step 4: Simplify right side
    212,724.92x = 34,417,090,018.07
  5. Step 5: Solve for x
    x = 34,417,090,018.07/212,724.92
  6. Step 6: Final answer
    x = 161,791.53

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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.