Home / 358,887.18-538,332.81-92,629.49

Finding the Fourth Proportional to 358,887.18, 538,332.81 and 92,629.49

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Solution

The fourth proportional to 358,887.18, 538,332.81 and 92,629.49 is: 138,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,887.18 : 538,332.81 = 92,629.49 : x
  2. Step 2: Convert to fraction form
    358,887.18/538,332.81 = 92,629.49/x
  3. Step 3: Cross multiply
    358,887.18x = 538,332.81 × 92,629.49
  4. Step 4: Simplify right side
    358,887.18x = 49,865,493,177.42
  5. Step 5: Solve for x
    x = 49,865,493,177.42/358,887.18
  6. Step 6: Final answer
    x = 138,944.76

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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.