Home / 215,041.80-296,761.38-118,249.80

Finding the Fourth Proportional to 215,041.80, 296,761.38 and 118,249.80

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Solution

The fourth proportional to 215,041.80, 296,761.38 and 118,249.80 is: 163,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,041.80 : 296,761.38 = 118,249.80 : x
  2. Step 2: Convert to fraction form
    215,041.80/296,761.38 = 118,249.80/x
  3. Step 3: Cross multiply
    215,041.80x = 296,761.38 × 118,249.80
  4. Step 4: Simplify right side
    215,041.80x = 35,091,973,832.72
  5. Step 5: Solve for x
    x = 35,091,973,832.72/215,041.80
  6. Step 6: Final answer
    x = 163,186.76

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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.