Home / 212,867.90-293,759.75-117,377.98

Finding the Fourth Proportional to 212,867.90, 293,759.75 and 117,377.98

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Solution

The fourth proportional to 212,867.90, 293,759.75 and 117,377.98 is: 161,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,867.90 : 293,759.75 = 117,377.98 : x
  2. Step 2: Convert to fraction form
    212,867.90/293,759.75 = 117,377.98/x
  3. Step 3: Cross multiply
    212,867.90x = 293,759.75 × 117,377.98
  4. Step 4: Simplify right side
    212,867.90x = 34,480,926,060.31
  5. Step 5: Solve for x
    x = 34,480,926,060.31/212,867.90
  6. Step 6: Final answer
    x = 161,982.74

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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.