Home / 126,768.72-190,124.28-56,610

Finding the Fourth Proportional to 126,768.72, 190,124.28 and 56,610

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Solution

The fourth proportional to 126,768.72, 190,124.28 and 56,610 is: 84,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,768.72 : 190,124.28 = 56,610 : x
  2. Step 2: Convert to fraction form
    126,768.72/190,124.28 = 56,610/x
  3. Step 3: Cross multiply
    126,768.72x = 190,124.28 × 56,610
  4. Step 4: Simplify right side
    126,768.72x = 10,762,935,490.80
  5. Step 5: Solve for x
    x = 10,762,935,490.80/126,768.72
  6. Step 6: Final answer
    x = 84,902.14

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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.