Home / 141,750.41-195,624.42-78,088.20

Finding the Fourth Proportional to 141,750.41, 195,624.42 and 78,088.20

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Solution

The fourth proportional to 141,750.41, 195,624.42 and 78,088.20 is: 107,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,750.41 : 195,624.42 = 78,088.20 : x
  2. Step 2: Convert to fraction form
    141,750.41/195,624.42 = 78,088.20/x
  3. Step 3: Cross multiply
    141,750.41x = 195,624.42 × 78,088.20
  4. Step 4: Simplify right side
    141,750.41x = 15,275,958,907.81
  5. Step 5: Solve for x
    x = 15,275,958,907.81/141,750.41
  6. Step 6: Final answer
    x = 107,766.60

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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.