Home / 515,265.58-772,968.67-178,215.87

Finding the Fourth Proportional to 515,265.58, 772,968.67 and 178,215.87

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Solution

The fourth proportional to 515,265.58, 772,968.67 and 178,215.87 is: 267,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,265.58 : 772,968.67 = 178,215.87 : x
  2. Step 2: Convert to fraction form
    515,265.58/772,968.67 = 178,215.87/x
  3. Step 3: Cross multiply
    515,265.58x = 772,968.67 × 178,215.87
  4. Step 4: Simplify right side
    515,265.58x = 137,755,283,561.25
  5. Step 5: Solve for x
    x = 137,755,283,561.25/515,265.58
  6. Step 6: Final answer
    x = 267,348.12

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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.