Home / 112,192.86-154,815.39-61,888.62

Finding the Fourth Proportional to 112,192.86, 154,815.39 and 61,888.62

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Solution

The fourth proportional to 112,192.86, 154,815.39 and 61,888.62 is: 85,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192.86 : 154,815.39 = 61,888.62 : x
  2. Step 2: Convert to fraction form
    112,192.86/154,815.39 = 61,888.62/x
  3. Step 3: Cross multiply
    112,192.86x = 154,815.39 × 61,888.62
  4. Step 4: Simplify right side
    112,192.86x = 9,581,310,841.86
  5. Step 5: Solve for x
    x = 9,581,310,841.86/112,192.86
  6. Step 6: Final answer
    x = 85,400.36

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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.