Home / 212,558.43-293,343.89-117,065.10

Finding the Fourth Proportional to 212,558.43, 293,343.89 and 117,065.10

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Solution

The fourth proportional to 212,558.43, 293,343.89 and 117,065.10 is: 161,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,558.43 : 293,343.89 = 117,065.10 : x
  2. Step 2: Convert to fraction form
    212,558.43/293,343.89 = 117,065.10/x
  3. Step 3: Cross multiply
    212,558.43x = 293,343.89 × 117,065.10
  4. Step 4: Simplify right side
    212,558.43x = 34,340,331,817.24
  5. Step 5: Solve for x
    x = 34,340,331,817.24/212,558.43
  6. Step 6: Final answer
    x = 161,557.14

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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.