Home / 141,210.54-194,898.15-87,519.42

Finding the Fourth Proportional to 141,210.54, 194,898.15 and 87,519.42

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Solution

The fourth proportional to 141,210.54, 194,898.15 and 87,519.42 is: 120,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,210.54 : 194,898.15 = 87,519.42 : x
  2. Step 2: Convert to fraction form
    141,210.54/194,898.15 = 87,519.42/x
  3. Step 3: Cross multiply
    141,210.54x = 194,898.15 × 87,519.42
  4. Step 4: Simplify right side
    141,210.54x = 17,057,373,047.07
  5. Step 5: Solve for x
    x = 17,057,373,047.07/141,210.54
  6. Step 6: Final answer
    x = 120,793.91

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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.