Home / 245,763.18-368,642.34-112,605.66

Finding the Fourth Proportional to 245,763.18, 368,642.34 and 112,605.66

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Solution

The fourth proportional to 245,763.18, 368,642.34 and 112,605.66 is: 168,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,763.18 : 368,642.34 = 112,605.66 : x
  2. Step 2: Convert to fraction form
    245,763.18/368,642.34 = 112,605.66/x
  3. Step 3: Cross multiply
    245,763.18x = 368,642.34 × 112,605.66
  4. Step 4: Simplify right side
    245,763.18x = 41,511,213,999.64
  5. Step 5: Solve for x
    x = 41,511,213,999.64/245,763.18
  6. Step 6: Final answer
    x = 168,907.38

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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.