Home / 153,824.88-212,278.38-84,914.39

Finding the Fourth Proportional to 153,824.88, 212,278.38 and 84,914.39

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Solution

The fourth proportional to 153,824.88, 212,278.38 and 84,914.39 is: 117,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,824.88 : 212,278.38 = 84,914.39 : x
  2. Step 2: Convert to fraction form
    153,824.88/212,278.38 = 84,914.39/x
  3. Step 3: Cross multiply
    153,824.88x = 212,278.38 × 84,914.39
  4. Step 4: Simplify right side
    153,824.88x = 18,025,488,086.50
  5. Step 5: Solve for x
    x = 18,025,488,086.50/153,824.88
  6. Step 6: Final answer
    x = 117,181.88

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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.