Home / 186,977.16-280,298.88-68,621.04

Finding the Fourth Proportional to 186,977.16, 280,298.88 and 68,621.04

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Solution

The fourth proportional to 186,977.16, 280,298.88 and 68,621.04 is: 102,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,977.16 : 280,298.88 = 68,621.04 : x
  2. Step 2: Convert to fraction form
    186,977.16/280,298.88 = 68,621.04/x
  3. Step 3: Cross multiply
    186,977.16x = 280,298.88 × 68,621.04
  4. Step 4: Simplify right side
    186,977.16x = 19,234,400,656.44
  5. Step 5: Solve for x
    x = 19,234,400,656.44/186,977.16
  6. Step 6: Final answer
    x = 102,870.32

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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.