Home / 293,259.90-439,742.22-143,275.44

Finding the Fourth Proportional to 293,259.90, 439,742.22 and 143,275.44

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Solution

The fourth proportional to 293,259.90, 439,742.22 and 143,275.44 is: 214,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,259.90 : 439,742.22 = 143,275.44 : x
  2. Step 2: Convert to fraction form
    293,259.90/439,742.22 = 143,275.44/x
  3. Step 3: Cross multiply
    293,259.90x = 439,742.22 × 143,275.44
  4. Step 4: Simplify right side
    293,259.90x = 63,004,260,057.08
  5. Step 5: Solve for x
    x = 63,004,260,057.08/293,259.90
  6. Step 6: Final answer
    x = 214,841.03

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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.