Home / 112,313.55-154,993.03-61,326.73

Finding the Fourth Proportional to 112,313.55, 154,993.03 and 61,326.73

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Solution

The fourth proportional to 112,313.55, 154,993.03 and 61,326.73 is: 84,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.55 : 154,993.03 = 61,326.73 : x
  2. Step 2: Convert to fraction form
    112,313.55/154,993.03 = 61,326.73/x
  3. Step 3: Cross multiply
    112,313.55x = 154,993.03 × 61,326.73
  4. Step 4: Simplify right side
    112,313.55x = 9,505,214,927.73
  5. Step 5: Solve for x
    x = 9,505,214,927.73/112,313.55
  6. Step 6: Final answer
    x = 84,631.06

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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.