Home / 185,729.43-278,634.15-57,643.11

Finding the Fourth Proportional to 185,729.43, 278,634.15 and 57,643.11

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Solution

The fourth proportional to 185,729.43, 278,634.15 and 57,643.11 is: 86,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,729.43 : 278,634.15 = 57,643.11 : x
  2. Step 2: Convert to fraction form
    185,729.43/278,634.15 = 57,643.11/x
  3. Step 3: Cross multiply
    185,729.43x = 278,634.15 × 57,643.11
  4. Step 4: Simplify right side
    185,729.43x = 16,061,338,958.21
  5. Step 5: Solve for x
    x = 16,061,338,958.21/185,729.43
  6. Step 6: Final answer
    x = 86,477.08

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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.