Home / 268,377.18-370,443.03-172,883.58

Finding the Fourth Proportional to 268,377.18, 370,443.03 and 172,883.58

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Solution

The fourth proportional to 268,377.18, 370,443.03 and 172,883.58 is: 238,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,377.18 : 370,443.03 = 172,883.58 : x
  2. Step 2: Convert to fraction form
    268,377.18/370,443.03 = 172,883.58/x
  3. Step 3: Cross multiply
    268,377.18x = 370,443.03 × 172,883.58
  4. Step 4: Simplify right side
    268,377.18x = 64,043,517,212.45
  5. Step 5: Solve for x
    x = 64,043,517,212.45/268,377.18
  6. Step 6: Final answer
    x = 238,632.50

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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.