Home / 114,951.38-158,634.30-64,650.38

Finding the Fourth Proportional to 114,951.38, 158,634.30 and 64,650.38

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Solution

The fourth proportional to 114,951.38, 158,634.30 and 64,650.38 is: 89,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951.38 : 158,634.30 = 64,650.38 : x
  2. Step 2: Convert to fraction form
    114,951.38/158,634.30 = 64,650.38/x
  3. Step 3: Cross multiply
    114,951.38x = 158,634.30 × 64,650.38
  4. Step 4: Simplify right side
    114,951.38x = 10,255,767,776.03
  5. Step 5: Solve for x
    x = 10,255,767,776.03/114,951.38
  6. Step 6: Final answer
    x = 89,218.31

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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.