Home / 212,861.76-293,751.27-117,371.94

Finding the Fourth Proportional to 212,861.76, 293,751.27 and 117,371.94

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Solution

The fourth proportional to 212,861.76, 293,751.27 and 117,371.94 is: 161,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,861.76 : 293,751.27 = 117,371.94 : x
  2. Step 2: Convert to fraction form
    212,861.76/293,751.27 = 117,371.94/x
  3. Step 3: Cross multiply
    212,861.76x = 293,751.27 × 117,371.94
  4. Step 4: Simplify right side
    212,861.76x = 34,478,156,437.36
  5. Step 5: Solve for x
    x = 34,478,156,437.36/212,861.76
  6. Step 6: Final answer
    x = 161,974.40

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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.