Home / 561,139.20-841,712.04-187,161.12

Finding the Fourth Proportional to 561,139.20, 841,712.04 and 187,161.12

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Solution

The fourth proportional to 561,139.20, 841,712.04 and 187,161.12 is: 280,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,139.20 : 841,712.04 = 187,161.12 : x
  2. Step 2: Convert to fraction form
    561,139.20/841,712.04 = 187,161.12/x
  3. Step 3: Cross multiply
    561,139.20x = 841,712.04 × 187,161.12
  4. Step 4: Simplify right side
    561,139.20x = 157,535,768,123.89
  5. Step 5: Solve for x
    x = 157,535,768,123.89/561,139.20
  6. Step 6: Final answer
    x = 280,742.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.