Home / 141,056.65-194,658.16-80,628.59

Finding the Fourth Proportional to 141,056.65, 194,658.16 and 80,628.59

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Solution

The fourth proportional to 141,056.65, 194,658.16 and 80,628.59 is: 111,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,056.65 : 194,658.16 = 80,628.59 : x
  2. Step 2: Convert to fraction form
    141,056.65/194,658.16 = 80,628.59/x
  3. Step 3: Cross multiply
    141,056.65x = 194,658.16 × 80,628.59
  4. Step 4: Simplify right side
    141,056.65x = 15,695,013,324.31
  5. Step 5: Solve for x
    x = 15,695,013,324.31/141,056.65
  6. Step 6: Final answer
    x = 111,267.45

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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.