Home / 326,246.10-488,980.35-136,706.10

Finding the Fourth Proportional to 326,246.10, 488,980.35 and 136,706.10

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Solution

The fourth proportional to 326,246.10, 488,980.35 and 136,706.10 is: 204,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,246.10 : 488,980.35 = 136,706.10 : x
  2. Step 2: Convert to fraction form
    326,246.10/488,980.35 = 136,706.10/x
  3. Step 3: Cross multiply
    326,246.10x = 488,980.35 × 136,706.10
  4. Step 4: Simplify right side
    326,246.10x = 66,846,596,625.14
  5. Step 5: Solve for x
    x = 66,846,596,625.14/326,246.10
  6. Step 6: Final answer
    x = 204,896.23

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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.