Home / 141,176.45-194,822.44-76,644.16

Finding the Fourth Proportional to 141,176.45, 194,822.44 and 76,644.16

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Solution

The fourth proportional to 141,176.45, 194,822.44 and 76,644.16 is: 105,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,176.45 : 194,822.44 = 76,644.16 : x
  2. Step 2: Convert to fraction form
    141,176.45/194,822.44 = 76,644.16/x
  3. Step 3: Cross multiply
    141,176.45x = 194,822.44 × 76,644.16
  4. Step 4: Simplify right side
    141,176.45x = 14,932,001,584.28
  5. Step 5: Solve for x
    x = 14,932,001,584.28/141,176.45
  6. Step 6: Final answer
    x = 105,768.36

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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.