Home / 356,899.39-534,873.40-188,380.10

Finding the Fourth Proportional to 356,899.39, 534,873.40 and 188,380.10

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Solution

The fourth proportional to 356,899.39, 534,873.40 and 188,380.10 is: 282,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,899.39 : 534,873.40 = 188,380.10 : x
  2. Step 2: Convert to fraction form
    356,899.39/534,873.40 = 188,380.10/x
  3. Step 3: Cross multiply
    356,899.39x = 534,873.40 × 188,380.10
  4. Step 4: Simplify right side
    356,899.39x = 100,759,504,579.34
  5. Step 5: Solve for x
    x = 100,759,504,579.34/356,899.39
  6. Step 6: Final answer
    x = 282,319.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.