Home / 218,512.60-301,553.06-123,022.74

Finding the Fourth Proportional to 218,512.60, 301,553.06 and 123,022.74

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Solution

The fourth proportional to 218,512.60, 301,553.06 and 123,022.74 is: 169,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,512.60 : 301,553.06 = 123,022.74 : x
  2. Step 2: Convert to fraction form
    218,512.60/301,553.06 = 123,022.74/x
  3. Step 3: Cross multiply
    218,512.60x = 301,553.06 × 123,022.74
  4. Step 4: Simplify right side
    218,512.60x = 37,097,883,696.58
  5. Step 5: Solve for x
    x = 37,097,883,696.58/218,512.60
  6. Step 6: Final answer
    x = 169,774.57

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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.