Home / 112,235.40-154,883.88-61,249.14

Finding the Fourth Proportional to 112,235.40, 154,883.88 and 61,249.14

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Solution

The fourth proportional to 112,235.40, 154,883.88 and 61,249.14 is: 84,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,235.40 : 154,883.88 = 61,249.14 : x
  2. Step 2: Convert to fraction form
    112,235.40/154,883.88 = 61,249.14/x
  3. Step 3: Cross multiply
    112,235.40x = 154,883.88 × 61,249.14
  4. Step 4: Simplify right side
    112,235.40x = 9,486,504,449.86
  5. Step 5: Solve for x
    x = 9,486,504,449.86/112,235.40
  6. Step 6: Final answer
    x = 84,523.28

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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.