Home / 185,624.64-278,442.42-45,383.25

Finding the Fourth Proportional to 185,624.64, 278,442.42 and 45,383.25

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Solution

The fourth proportional to 185,624.64, 278,442.42 and 45,383.25 is: 68,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,624.64 : 278,442.42 = 45,383.25 : x
  2. Step 2: Convert to fraction form
    185,624.64/278,442.42 = 45,383.25/x
  3. Step 3: Cross multiply
    185,624.64x = 278,442.42 × 45,383.25
  4. Step 4: Simplify right side
    185,624.64x = 12,636,621,957.47
  5. Step 5: Solve for x
    x = 12,636,621,957.47/185,624.64
  6. Step 6: Final answer
    x = 68,076.21

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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.