Home / 153,203.50-229,611.15-68,873.69

Finding the Fourth Proportional to 153,203.50, 229,611.15 and 68,873.69

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Solution

The fourth proportional to 153,203.50, 229,611.15 and 68,873.69 is: 103,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,203.50 : 229,611.15 = 68,873.69 : x
  2. Step 2: Convert to fraction form
    153,203.50/229,611.15 = 68,873.69/x
  3. Step 3: Cross multiply
    153,203.50x = 229,611.15 × 68,873.69
  4. Step 4: Simplify right side
    153,203.50x = 15,814,165,673.22
  5. Step 5: Solve for x
    x = 15,814,165,673.22/153,203.50
  6. Step 6: Final answer
    x = 103,223.27

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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.