Home / 194,772.36-292,040.28-76,301.76

Finding the Fourth Proportional to 194,772.36, 292,040.28 and 76,301.76

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Solution

The fourth proportional to 194,772.36, 292,040.28 and 76,301.76 is: 114,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,772.36 : 292,040.28 = 76,301.76 : x
  2. Step 2: Convert to fraction form
    194,772.36/292,040.28 = 76,301.76/x
  3. Step 3: Cross multiply
    194,772.36x = 292,040.28 × 76,301.76
  4. Step 4: Simplify right side
    194,772.36x = 22,283,187,354.89
  5. Step 5: Solve for x
    x = 22,283,187,354.89/194,772.36
  6. Step 6: Final answer
    x = 114,406.31

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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.