Home / 185,928.30-278,564.40-152,467.20

Finding the Fourth Proportional to 185,928.30, 278,564.40 and 152,467.20

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Solution

The fourth proportional to 185,928.30, 278,564.40 and 152,467.20 is: 228,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,928.30 : 278,564.40 = 152,467.20 : x
  2. Step 2: Convert to fraction form
    185,928.30/278,564.40 = 152,467.20/x
  3. Step 3: Cross multiply
    185,928.30x = 278,564.40 × 152,467.20
  4. Step 4: Simplify right side
    185,928.30x = 42,471,934,087.68
  5. Step 5: Solve for x
    x = 42,471,934,087.68/185,928.30
  6. Step 6: Final answer
    x = 228,431.79

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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.