Home / 185,904.40-278,856.60-61,229.20

Finding the Fourth Proportional to 185,904.40, 278,856.60 and 61,229.20

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Solution

The fourth proportional to 185,904.40, 278,856.60 and 61,229.20 is: 91,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,904.40 : 278,856.60 = 61,229.20 : x
  2. Step 2: Convert to fraction form
    185,904.40/278,856.60 = 61,229.20/x
  3. Step 3: Cross multiply
    185,904.40x = 278,856.60 × 61,229.20
  4. Step 4: Simplify right side
    185,904.40x = 17,074,166,532.72
  5. Step 5: Solve for x
    x = 17,074,166,532.72/185,904.40
  6. Step 6: Final answer
    x = 91,843.80

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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.