Home / 112,313.24-154,992.60-61,326.42

Finding the Fourth Proportional to 112,313.24, 154,992.60 and 61,326.42

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Solution

The fourth proportional to 112,313.24, 154,992.60 and 61,326.42 is: 84,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.24 : 154,992.60 = 61,326.42 : x
  2. Step 2: Convert to fraction form
    112,313.24/154,992.60 = 61,326.42/x
  3. Step 3: Cross multiply
    112,313.24x = 154,992.60 × 61,326.42
  4. Step 4: Simplify right side
    112,313.24x = 9,505,141,284.49
  5. Step 5: Solve for x
    x = 9,505,141,284.49/112,313.24
  6. Step 6: Final answer
    x = 84,630.64

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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.