Home / 212,870.75-293,755.34-117,377.42

Finding the Fourth Proportional to 212,870.75, 293,755.34 and 117,377.42

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Solution

The fourth proportional to 212,870.75, 293,755.34 and 117,377.42 is: 161,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,870.75 : 293,755.34 = 117,377.42 : x
  2. Step 2: Convert to fraction form
    212,870.75/293,755.34 = 117,377.42/x
  3. Step 3: Cross multiply
    212,870.75x = 293,755.34 × 117,377.42
  4. Step 4: Simplify right side
    212,870.75x = 34,480,242,745.09
  5. Step 5: Solve for x
    x = 34,480,242,745.09/212,870.75
  6. Step 6: Final answer
    x = 161,977.37

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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.