Home / 112,269.58-154,878.31-75,983.74

Finding the Fourth Proportional to 112,269.58, 154,878.31 and 75,983.74

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Solution

The fourth proportional to 112,269.58, 154,878.31 and 75,983.74 is: 104,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.58 : 154,878.31 = 75,983.74 : x
  2. Step 2: Convert to fraction form
    112,269.58/154,878.31 = 75,983.74/x
  3. Step 3: Cross multiply
    112,269.58x = 154,878.31 × 75,983.74
  4. Step 4: Simplify right side
    112,269.58x = 11,768,233,238.68
  5. Step 5: Solve for x
    x = 11,768,233,238.68/112,269.58
  6. Step 6: Final answer
    x = 104,821.21

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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.