Home / 141,147.06-194,783.12-76,616.26

Finding the Fourth Proportional to 141,147.06, 194,783.12 and 76,616.26

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Solution

The fourth proportional to 141,147.06, 194,783.12 and 76,616.26 is: 105,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,147.06 : 194,783.12 = 76,616.26 : x
  2. Step 2: Convert to fraction form
    141,147.06/194,783.12 = 76,616.26/x
  3. Step 3: Cross multiply
    141,147.06x = 194,783.12 × 76,616.26
  4. Step 4: Simplify right side
    141,147.06x = 14,923,554,165.53
  5. Step 5: Solve for x
    x = 14,923,554,165.53/141,147.06
  6. Step 6: Final answer
    x = 105,730.53

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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.