Home / 164,187.39-245,924.69-100,815.15

Finding the Fourth Proportional to 164,187.39, 245,924.69 and 100,815.15

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Solution

The fourth proportional to 164,187.39, 245,924.69 and 100,815.15 is: 151,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,187.39 : 245,924.69 = 100,815.15 : x
  2. Step 2: Convert to fraction form
    164,187.39/245,924.69 = 100,815.15/x
  3. Step 3: Cross multiply
    164,187.39x = 245,924.69 × 100,815.15
  4. Step 4: Simplify right side
    164,187.39x = 24,792,934,006.98
  5. Step 5: Solve for x
    x = 24,792,934,006.98/164,187.39
  6. Step 6: Final answer
    x = 151,003.89

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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.