Home / 208,770.38-288,177.84-123,887.44

Finding the Fourth Proportional to 208,770.38, 288,177.84 and 123,887.44

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Solution

The fourth proportional to 208,770.38, 288,177.84 and 123,887.44 is: 171,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,770.38 : 288,177.84 = 123,887.44 : x
  2. Step 2: Convert to fraction form
    208,770.38/288,177.84 = 123,887.44/x
  3. Step 3: Cross multiply
    208,770.38x = 288,177.84 × 123,887.44
  4. Step 4: Simplify right side
    208,770.38x = 35,701,614,862.33
  5. Step 5: Solve for x
    x = 35,701,614,862.33/208,770.38
  6. Step 6: Final answer
    x = 171,009.00

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1.5x scale

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.