Home / 112,238.16-154,884.60-61,936.08

Finding the Fourth Proportional to 112,238.16, 154,884.60 and 61,936.08

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Solution

The fourth proportional to 112,238.16, 154,884.60 and 61,936.08 is: 85,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,238.16 : 154,884.60 = 61,936.08 : x
  2. Step 2: Convert to fraction form
    112,238.16/154,884.60 = 61,936.08/x
  3. Step 3: Cross multiply
    112,238.16x = 154,884.60 × 61,936.08
  4. Step 4: Simplify right side
    112,238.16x = 9,592,944,976.37
  5. Step 5: Solve for x
    x = 9,592,944,976.37/112,238.16
  6. Step 6: Final answer
    x = 85,469.55

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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.