Home / 245,670.18-368,379.87-112,436.19

Finding the Fourth Proportional to 245,670.18, 368,379.87 and 112,436.19

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Solution

The fourth proportional to 245,670.18, 368,379.87 and 112,436.19 is: 168,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,670.18 : 368,379.87 = 112,436.19 : x
  2. Step 2: Convert to fraction form
    245,670.18/368,379.87 = 112,436.19/x
  3. Step 3: Cross multiply
    245,670.18x = 368,379.87 × 112,436.19
  4. Step 4: Simplify right side
    245,670.18x = 41,419,229,055.50
  5. Step 5: Solve for x
    x = 41,419,229,055.50/245,670.18
  6. Step 6: Final answer
    x = 168,596.89

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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.