Home / 279,194.18-385,286.22-151,870.28

Finding the Fourth Proportional to 279,194.18, 385,286.22 and 151,870.28

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Solution

The fourth proportional to 279,194.18, 385,286.22 and 151,870.28 is: 209,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,194.18 : 385,286.22 = 151,870.28 : x
  2. Step 2: Convert to fraction form
    279,194.18/385,286.22 = 151,870.28/x
  3. Step 3: Cross multiply
    279,194.18x = 385,286.22 × 151,870.28
  4. Step 4: Simplify right side
    279,194.18x = 58,513,526,111.54
  5. Step 5: Solve for x
    x = 58,513,526,111.54/279,194.18
  6. Step 6: Final answer
    x = 209,580.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.