Home / 352,656.18-486,814.52-238,090.01

Finding the Fourth Proportional to 352,656.18, 486,814.52 and 238,090.01

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Solution

The fourth proportional to 352,656.18, 486,814.52 and 238,090.01 is: 328,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,656.18 : 486,814.52 = 238,090.01 : x
  2. Step 2: Convert to fraction form
    352,656.18/486,814.52 = 238,090.01/x
  3. Step 3: Cross multiply
    352,656.18x = 486,814.52 × 238,090.01
  4. Step 4: Simplify right side
    352,656.18x = 115,905,675,541.44
  5. Step 5: Solve for x
    x = 115,905,675,541.44/352,656.18
  6. Step 6: Final answer
    x = 328,664.81

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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.