Home / 248,020.82-371,790.66-98,211.32

Finding the Fourth Proportional to 248,020.82, 371,790.66 and 98,211.32

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Solution

The fourth proportional to 248,020.82, 371,790.66 and 98,211.32 is: 147,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,020.82 : 371,790.66 = 98,211.32 : x
  2. Step 2: Convert to fraction form
    248,020.82/371,790.66 = 98,211.32/x
  3. Step 3: Cross multiply
    248,020.82x = 371,790.66 × 98,211.32
  4. Step 4: Simplify right side
    248,020.82x = 36,514,051,482.27
  5. Step 5: Solve for x
    x = 36,514,051,482.27/248,020.82
  6. Step 6: Final answer
    x = 147,221.72

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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.