Home / 185,954.16-278,928.76-45,714

Finding the Fourth Proportional to 185,954.16, 278,928.76 and 45,714

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Solution

The fourth proportional to 185,954.16, 278,928.76 and 45,714 is: 68,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,954.16 : 278,928.76 = 45,714 : x
  2. Step 2: Convert to fraction form
    185,954.16/278,928.76 = 45,714/x
  3. Step 3: Cross multiply
    185,954.16x = 278,928.76 × 45,714
  4. Step 4: Simplify right side
    185,954.16x = 12,750,949,334.64
  5. Step 5: Solve for x
    x = 12,750,949,334.64/185,954.16
  6. Step 6: Final answer
    x = 68,570.39

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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.