Home / 186,904.08-280,393-68,576.40

Finding the Fourth Proportional to 186,904.08, 280,393 and 68,576.40

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Solution

The fourth proportional to 186,904.08, 280,393 and 68,576.40 is: 102,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.08 : 280,393 = 68,576.40 : x
  2. Step 2: Convert to fraction form
    186,904.08/280,393 = 68,576.40/x
  3. Step 3: Cross multiply
    186,904.08x = 280,393 × 68,576.40
  4. Step 4: Simplify right side
    186,904.08x = 19,228,342,525.20
  5. Step 5: Solve for x
    x = 19,228,342,525.20/186,904.08
  6. Step 6: Final answer
    x = 102,878.13

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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.