Home / 515,390.22-773,158.26-160,440.12

Finding the Fourth Proportional to 515,390.22, 773,158.26 and 160,440.12

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Solution

The fourth proportional to 515,390.22, 773,158.26 and 160,440.12 is: 240,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,390.22 : 773,158.26 = 160,440.12 : x
  2. Step 2: Convert to fraction form
    515,390.22/773,158.26 = 160,440.12/x
  3. Step 3: Cross multiply
    515,390.22x = 773,158.26 × 160,440.12
  4. Step 4: Simplify right side
    515,390.22x = 124,045,604,013.39
  5. Step 5: Solve for x
    x = 124,045,604,013.39/515,390.22
  6. Step 6: Final answer
    x = 240,682.88

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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.