Home / 212,795.28-293,652.72-117,299.52

Finding the Fourth Proportional to 212,795.28, 293,652.72 and 117,299.52

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Solution

The fourth proportional to 212,795.28, 293,652.72 and 117,299.52 is: 161,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,795.28 : 293,652.72 = 117,299.52 : x
  2. Step 2: Convert to fraction form
    212,795.28/293,652.72 = 117,299.52/x
  3. Step 3: Cross multiply
    212,795.28x = 293,652.72 × 117,299.52
  4. Step 4: Simplify right side
    212,795.28x = 34,445,323,102.69
  5. Step 5: Solve for x
    x = 34,445,323,102.69/212,795.28
  6. Step 6: Final answer
    x = 161,870.71

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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.