Home / 236,887.66-355,230.35-137,116.72

Finding the Fourth Proportional to 236,887.66, 355,230.35 and 137,116.72

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Solution

The fourth proportional to 236,887.66, 355,230.35 and 137,116.72 is: 205,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,887.66 : 355,230.35 = 137,116.72 : x
  2. Step 2: Convert to fraction form
    236,887.66/355,230.35 = 137,116.72/x
  3. Step 3: Cross multiply
    236,887.66x = 355,230.35 × 137,116.72
  4. Step 4: Simplify right side
    236,887.66x = 48,708,021,515.36
  5. Step 5: Solve for x
    x = 48,708,021,515.36/236,887.66
  6. Step 6: Final answer
    x = 205,616.54

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1.5x scale

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.