Home / 515,913.92-773,850.72-141,926.72

Finding the Fourth Proportional to 515,913.92, 773,850.72 and 141,926.72

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Solution

The fourth proportional to 515,913.92, 773,850.72 and 141,926.72 is: 212,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,913.92 : 773,850.72 = 141,926.72 : x
  2. Step 2: Convert to fraction form
    515,913.92/773,850.72 = 141,926.72/x
  3. Step 3: Cross multiply
    515,913.92x = 773,850.72 × 141,926.72
  4. Step 4: Simplify right side
    515,913.92x = 109,830,094,459.24
  5. Step 5: Solve for x
    x = 109,830,094,459.24/515,913.92
  6. Step 6: Final answer
    x = 212,884.53

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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.