Home / 112,802.36-169,152.94-67,231.58

Finding the Fourth Proportional to 112,802.36, 169,152.94 and 67,231.58

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Solution

The fourth proportional to 112,802.36, 169,152.94 and 67,231.58 is: 100,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,802.36 : 169,152.94 = 67,231.58 : x
  2. Step 2: Convert to fraction form
    112,802.36/169,152.94 = 67,231.58/x
  3. Step 3: Cross multiply
    112,802.36x = 169,152.94 × 67,231.58
  4. Step 4: Simplify right side
    112,802.36x = 11,372,418,404.00
  5. Step 5: Solve for x
    x = 11,372,418,404.00/112,802.36
  6. Step 6: Final answer
    x = 100,817.21

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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.