Home / 212,818.17-293,702.31-117,324.75

Finding the Fourth Proportional to 212,818.17, 293,702.31 and 117,324.75

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Solution

The fourth proportional to 212,818.17, 293,702.31 and 117,324.75 is: 161,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,818.17 : 293,702.31 = 117,324.75 : x
  2. Step 2: Convert to fraction form
    212,818.17/293,702.31 = 117,324.75/x
  3. Step 3: Cross multiply
    212,818.17x = 293,702.31 × 117,324.75
  4. Step 4: Simplify right side
    212,818.17x = 34,458,550,095.17
  5. Step 5: Solve for x
    x = 34,458,550,095.17/212,818.17
  6. Step 6: Final answer
    x = 161,915.45

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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.