Home / 352,657.10-486,815.79-238,090.93

Finding the Fourth Proportional to 352,657.10, 486,815.79 and 238,090.93

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Solution

The fourth proportional to 352,657.10, 486,815.79 and 238,090.93 is: 328,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,657.10 : 486,815.79 = 238,090.93 : x
  2. Step 2: Convert to fraction form
    352,657.10/486,815.79 = 238,090.93/x
  3. Step 3: Cross multiply
    352,657.10x = 486,815.79 × 238,090.93
  4. Step 4: Simplify right side
    352,657.10x = 115,906,424,179.79
  5. Step 5: Solve for x
    x = 115,906,424,179.79/352,657.10
  6. Step 6: Final answer
    x = 328,666.07

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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.