Home / 195,489.92-269,772.72-118,981.28

Finding the Fourth Proportional to 195,489.92, 269,772.72 and 118,981.28

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Solution

The fourth proportional to 195,489.92, 269,772.72 and 118,981.28 is: 164,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,489.92 : 269,772.72 = 118,981.28 : x
  2. Step 2: Convert to fraction form
    195,489.92/269,772.72 = 118,981.28/x
  3. Step 3: Cross multiply
    195,489.92x = 269,772.72 × 118,981.28
  4. Step 4: Simplify right side
    195,489.92x = 32,097,903,534.68
  5. Step 5: Solve for x
    x = 32,097,903,534.68/195,489.92
  6. Step 6: Final answer
    x = 164,192.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.