Home / 127,963.42-191,982.02-39,230.01

Finding the Fourth Proportional to 127,963.42, 191,982.02 and 39,230.01

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Solution

The fourth proportional to 127,963.42, 191,982.02 and 39,230.01 is: 58,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,963.42 : 191,982.02 = 39,230.01 : x
  2. Step 2: Convert to fraction form
    127,963.42/191,982.02 = 39,230.01/x
  3. Step 3: Cross multiply
    127,963.42x = 191,982.02 × 39,230.01
  4. Step 4: Simplify right side
    127,963.42x = 7,531,456,368.27
  5. Step 5: Solve for x
    x = 7,531,456,368.27/127,963.42
  6. Step 6: Final answer
    x = 58,856.32

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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.