Home / 515,168.06-772,743.45-141,191.06

Finding the Fourth Proportional to 515,168.06, 772,743.45 and 141,191.06

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Solution

The fourth proportional to 515,168.06, 772,743.45 and 141,191.06 is: 211,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,168.06 : 772,743.45 = 141,191.06 : x
  2. Step 2: Convert to fraction form
    515,168.06/772,743.45 = 141,191.06/x
  3. Step 3: Cross multiply
    515,168.06x = 772,743.45 × 141,191.06
  4. Step 4: Simplify right side
    515,168.06x = 109,104,466,813.56
  5. Step 5: Solve for x
    x = 109,104,466,813.56/515,168.06
  6. Step 6: Final answer
    x = 211,784.22

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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.