Home / 186,690.38-280,071.63-80,059.46

Finding the Fourth Proportional to 186,690.38, 280,071.63 and 80,059.46

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Solution

The fourth proportional to 186,690.38, 280,071.63 and 80,059.46 is: 120,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,690.38 : 280,071.63 = 80,059.46 : x
  2. Step 2: Convert to fraction form
    186,690.38/280,071.63 = 80,059.46/x
  3. Step 3: Cross multiply
    186,690.38x = 280,071.63 × 80,059.46
  4. Step 4: Simplify right side
    186,690.38x = 22,422,382,058.76
  5. Step 5: Solve for x
    x = 22,422,382,058.76/186,690.38
  6. Step 6: Final answer
    x = 120,104.65

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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.