Home / 141,171.45-194,816.91-76,641.18

Finding the Fourth Proportional to 141,171.45, 194,816.91 and 76,641.18

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Solution

The fourth proportional to 141,171.45, 194,816.91 and 76,641.18 is: 105,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,171.45 : 194,816.91 = 76,641.18 : x
  2. Step 2: Convert to fraction form
    141,171.45/194,816.91 = 76,641.18/x
  3. Step 3: Cross multiply
    141,171.45x = 194,816.91 × 76,641.18
  4. Step 4: Simplify right side
    141,171.45x = 14,930,997,866.35
  5. Step 5: Solve for x
    x = 14,930,997,866.35/141,171.45
  6. Step 6: Final answer
    x = 105,765.00

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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.