Home / 127,744.59-191,639.40-52,822.76

Finding the Fourth Proportional to 127,744.59, 191,639.40 and 52,822.76

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Solution

The fourth proportional to 127,744.59, 191,639.40 and 52,822.76 is: 79,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,744.59 : 191,639.40 = 52,822.76 : x
  2. Step 2: Convert to fraction form
    127,744.59/191,639.40 = 52,822.76/x
  3. Step 3: Cross multiply
    127,744.59x = 191,639.40 × 52,822.76
  4. Step 4: Simplify right side
    127,744.59x = 10,122,920,810.43
  5. Step 5: Solve for x
    x = 10,122,920,810.43/127,744.59
  6. Step 6: Final answer
    x = 79,243.44

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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.