Home / 186,766.16-280,339.91-136,697.52

Finding the Fourth Proportional to 186,766.16, 280,339.91 and 136,697.52

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Solution

The fourth proportional to 186,766.16, 280,339.91 and 136,697.52 is: 205,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,766.16 : 280,339.91 = 136,697.52 : x
  2. Step 2: Convert to fraction form
    186,766.16/280,339.91 = 136,697.52/x
  3. Step 3: Cross multiply
    186,766.16x = 280,339.91 × 136,697.52
  4. Step 4: Simplify right side
    186,766.16x = 38,321,771,718.89
  5. Step 5: Solve for x
    x = 38,321,771,718.89/186,766.16
  6. Step 6: Final answer
    x = 205,185.85

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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.