Home / 112,326.96-154,973.84-74,105.48

Finding the Fourth Proportional to 112,326.96, 154,973.84 and 74,105.48

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Solution

The fourth proportional to 112,326.96, 154,973.84 and 74,105.48 is: 102,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,326.96 : 154,973.84 = 74,105.48 : x
  2. Step 2: Convert to fraction form
    112,326.96/154,973.84 = 74,105.48/x
  3. Step 3: Cross multiply
    112,326.96x = 154,973.84 × 74,105.48
  4. Step 4: Simplify right side
    112,326.96x = 11,484,410,800.64
  5. Step 5: Solve for x
    x = 11,484,410,800.64/112,326.96
  6. Step 6: Final answer
    x = 102,240.91

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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.