Home / 141,029.17-194,607.93-80,587.78

Finding the Fourth Proportional to 141,029.17, 194,607.93 and 80,587.78

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Solution

The fourth proportional to 141,029.17, 194,607.93 and 80,587.78 is: 111,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,029.17 : 194,607.93 = 80,587.78 : x
  2. Step 2: Convert to fraction form
    141,029.17/194,607.93 = 80,587.78/x
  3. Step 3: Cross multiply
    141,029.17x = 194,607.93 × 80,587.78
  4. Step 4: Simplify right side
    141,029.17x = 15,683,021,049.10
  5. Step 5: Solve for x
    x = 15,683,021,049.10/141,029.17
  6. Step 6: Final answer
    x = 111,204.09

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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.