Home / 127,425.87-191,019.44-43,127.02

Finding the Fourth Proportional to 127,425.87, 191,019.44 and 43,127.02

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Solution

The fourth proportional to 127,425.87, 191,019.44 and 43,127.02 is: 64,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,425.87 : 191,019.44 = 43,127.02 : x
  2. Step 2: Convert to fraction form
    127,425.87/191,019.44 = 43,127.02/x
  3. Step 3: Cross multiply
    127,425.87x = 191,019.44 × 43,127.02
  4. Step 4: Simplify right side
    127,425.87x = 8,238,099,209.27
  5. Step 5: Solve for x
    x = 8,238,099,209.27/127,425.87
  6. Step 6: Final answer
    x = 64,650.13

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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.