Home / 185,404.28-278,133.07-57,330.55

Finding the Fourth Proportional to 185,404.28, 278,133.07 and 57,330.55

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Solution

The fourth proportional to 185,404.28, 278,133.07 and 57,330.55 is: 86,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,404.28 : 278,133.07 = 57,330.55 : x
  2. Step 2: Convert to fraction form
    185,404.28/278,133.07 = 57,330.55/x
  3. Step 3: Cross multiply
    185,404.28x = 278,133.07 × 57,330.55
  4. Step 4: Simplify right side
    185,404.28x = 15,945,521,037.63
  5. Step 5: Solve for x
    x = 15,945,521,037.63/185,404.28
  6. Step 6: Final answer
    x = 86,004.06

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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.