Home / 212,680.56-293,512.28-117,187.23

Finding the Fourth Proportional to 212,680.56, 293,512.28 and 117,187.23

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Solution

The fourth proportional to 212,680.56, 293,512.28 and 117,187.23 is: 161,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,680.56 : 293,512.28 = 117,187.23 : x
  2. Step 2: Convert to fraction form
    212,680.56/293,512.28 = 117,187.23/x
  3. Step 3: Cross multiply
    212,680.56x = 293,512.28 × 117,187.23
  4. Step 4: Simplify right side
    212,680.56x = 34,395,890,478.25
  5. Step 5: Solve for x
    x = 34,395,890,478.25/212,680.56
  6. Step 6: Final answer
    x = 161,725.60

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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.