Home / 352,923.68-487,037.76-191,778.72

Finding the Fourth Proportional to 352,923.68, 487,037.76 and 191,778.72

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Solution

The fourth proportional to 352,923.68, 487,037.76 and 191,778.72 is: 264,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,923.68 : 487,037.76 = 191,778.72 : x
  2. Step 2: Convert to fraction form
    352,923.68/487,037.76 = 191,778.72/x
  3. Step 3: Cross multiply
    352,923.68x = 487,037.76 × 191,778.72
  4. Step 4: Simplify right side
    352,923.68x = 93,403,478,204.47
  5. Step 5: Solve for x
    x = 93,403,478,204.47/352,923.68
  6. Step 6: Final answer
    x = 264,656.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.