Home / 127,395.92-191,116.85-52,475.16

Finding the Fourth Proportional to 127,395.92, 191,116.85 and 52,475.16

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Solution

The fourth proportional to 127,395.92, 191,116.85 and 52,475.16 is: 78,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,395.92 : 191,116.85 = 52,475.16 : x
  2. Step 2: Convert to fraction form
    127,395.92/191,116.85 = 52,475.16/x
  3. Step 3: Cross multiply
    127,395.92x = 191,116.85 × 52,475.16
  4. Step 4: Simplify right side
    127,395.92x = 10,028,887,413.63
  5. Step 5: Solve for x
    x = 10,028,887,413.63/127,395.92
  6. Step 6: Final answer
    x = 78,722.21

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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.