Home / 278,126.06-416,155.71-165,867.35

Finding the Fourth Proportional to 278,126.06, 416,155.71 and 165,867.35

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Solution

The fourth proportional to 278,126.06, 416,155.71 and 165,867.35 is: 248,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,126.06 : 416,155.71 = 165,867.35 : x
  2. Step 2: Convert to fraction form
    278,126.06/416,155.71 = 165,867.35/x
  3. Step 3: Cross multiply
    278,126.06x = 416,155.71 × 165,867.35
  4. Step 4: Simplify right side
    278,126.06x = 69,026,644,805.07
  5. Step 5: Solve for x
    x = 69,026,644,805.07/278,126.06
  6. Step 6: Final answer
    x = 248,184.74

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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.