Home / 185,477.02-278,121.96-132,138.52

Finding the Fourth Proportional to 185,477.02, 278,121.96 and 132,138.52

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Solution

The fourth proportional to 185,477.02, 278,121.96 and 132,138.52 is: 198,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,477.02 : 278,121.96 = 132,138.52 : x
  2. Step 2: Convert to fraction form
    185,477.02/278,121.96 = 132,138.52/x
  3. Step 3: Cross multiply
    185,477.02x = 278,121.96 × 132,138.52
  4. Step 4: Simplify right side
    185,477.02x = 36,750,624,173.90
  5. Step 5: Solve for x
    x = 36,750,624,173.90/185,477.02
  6. Step 6: Final answer
    x = 198,141.12

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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.