Home / 107,382.35-148,297.88-80,482.25

Finding the Fourth Proportional to 107,382.35, 148,297.88 and 80,482.25

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Solution

The fourth proportional to 107,382.35, 148,297.88 and 80,482.25 is: 111,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382.35 : 148,297.88 = 80,482.25 : x
  2. Step 2: Convert to fraction form
    107,382.35/148,297.88 = 80,482.25/x
  3. Step 3: Cross multiply
    107,382.35x = 148,297.88 × 80,482.25
  4. Step 4: Simplify right side
    107,382.35x = 11,935,347,624.58
  5. Step 5: Solve for x
    x = 11,935,347,624.58/107,382.35
  6. Step 6: Final answer
    x = 111,148.13

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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.