Home / 185,625.64-278,443.92-45,384.25

Finding the Fourth Proportional to 185,625.64, 278,443.92 and 45,384.25

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Solution

The fourth proportional to 185,625.64, 278,443.92 and 45,384.25 is: 68,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,625.64 : 278,443.92 = 45,384.25 : x
  2. Step 2: Convert to fraction form
    185,625.64/278,443.92 = 45,384.25/x
  3. Step 3: Cross multiply
    185,625.64x = 278,443.92 × 45,384.25
  4. Step 4: Simplify right side
    185,625.64x = 12,636,968,476.26
  5. Step 5: Solve for x
    x = 12,636,968,476.26/185,625.64
  6. Step 6: Final answer
    x = 68,077.71

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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.