Home / 212,711.01-293,537.42-115,915.71

Finding the Fourth Proportional to 212,711.01, 293,537.42 and 115,915.71

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Solution

The fourth proportional to 212,711.01, 293,537.42 and 115,915.71 is: 159,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711.01 : 293,537.42 = 115,915.71 : x
  2. Step 2: Convert to fraction form
    212,711.01/293,537.42 = 115,915.71/x
  3. Step 3: Cross multiply
    212,711.01x = 293,537.42 × 115,915.71
  4. Step 4: Simplify right side
    212,711.01x = 34,025,597,755.59
  5. Step 5: Solve for x
    x = 34,025,597,755.59/212,711.01
  6. Step 6: Final answer
    x = 159,961.62

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1.5x scale

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.