Home / 293,113.20-439,722.44-103,683.36

Finding the Fourth Proportional to 293,113.20, 439,722.44 and 103,683.36

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Solution

The fourth proportional to 293,113.20, 439,722.44 and 103,683.36 is: 155,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,113.20 : 439,722.44 = 103,683.36 : x
  2. Step 2: Convert to fraction form
    293,113.20/439,722.44 = 103,683.36/x
  3. Step 3: Cross multiply
    293,113.20x = 439,722.44 × 103,683.36
  4. Step 4: Simplify right side
    293,113.20x = 45,591,900,046.60
  5. Step 5: Solve for x
    x = 45,591,900,046.60/293,113.20
  6. Step 6: Final answer
    x = 155,543.66

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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.