Home / 175,355.23-263,071.82-81,809.95

Finding the Fourth Proportional to 175,355.23, 263,071.82 and 81,809.95

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Solution

The fourth proportional to 175,355.23, 263,071.82 and 81,809.95 is: 122,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,355.23 : 263,071.82 = 81,809.95 : x
  2. Step 2: Convert to fraction form
    175,355.23/263,071.82 = 81,809.95/x
  3. Step 3: Cross multiply
    175,355.23x = 263,071.82 × 81,809.95
  4. Step 4: Simplify right side
    175,355.23x = 21,521,892,440.61
  5. Step 5: Solve for x
    x = 21,521,892,440.61/175,355.23
  6. Step 6: Final answer
    x = 122,733.11

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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.