Home / 212,818.11-293,691.26-117,328.23

Finding the Fourth Proportional to 212,818.11, 293,691.26 and 117,328.23

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Solution

The fourth proportional to 212,818.11, 293,691.26 and 117,328.23 is: 161,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,818.11 : 293,691.26 = 117,328.23 : x
  2. Step 2: Convert to fraction form
    212,818.11/293,691.26 = 117,328.23/x
  3. Step 3: Cross multiply
    212,818.11x = 293,691.26 × 117,328.23
  4. Step 4: Simplify right side
    212,818.11x = 34,458,275,702.27
  5. Step 5: Solve for x
    x = 34,458,275,702.27/212,818.11
  6. Step 6: Final answer
    x = 161,914.21

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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.