Home / 112,165.58-168,280.13-45,653.45

Finding the Fourth Proportional to 112,165.58, 168,280.13 and 45,653.45

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Solution

The fourth proportional to 112,165.58, 168,280.13 and 45,653.45 is: 68,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.58 : 168,280.13 = 45,653.45 : x
  2. Step 2: Convert to fraction form
    112,165.58/168,280.13 = 45,653.45/x
  3. Step 3: Cross multiply
    112,165.58x = 168,280.13 × 45,653.45
  4. Step 4: Simplify right side
    112,165.58x = 7,682,567,773.68
  5. Step 5: Solve for x
    x = 7,682,567,773.68/112,165.58
  6. Step 6: Final answer
    x = 68,493.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.