Home / 112,314.22-154,992.42-61,326.79

Finding the Fourth Proportional to 112,314.22, 154,992.42 and 61,326.79

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Solution

The fourth proportional to 112,314.22, 154,992.42 and 61,326.79 is: 84,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,314.22 : 154,992.42 = 61,326.79 : x
  2. Step 2: Convert to fraction form
    112,314.22/154,992.42 = 61,326.79/x
  3. Step 3: Cross multiply
    112,314.22x = 154,992.42 × 61,326.79
  4. Step 4: Simplify right side
    112,314.22x = 9,505,187,592.93
  5. Step 5: Solve for x
    x = 9,505,187,592.93/112,314.22
  6. Step 6: Final answer
    x = 84,630.31

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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.