Home / 151,233.08-208,699.62-84,165.08

Finding the Fourth Proportional to 151,233.08, 208,699.62 and 84,165.08

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Solution

The fourth proportional to 151,233.08, 208,699.62 and 84,165.08 is: 116,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,233.08 : 208,699.62 = 84,165.08 : x
  2. Step 2: Convert to fraction form
    151,233.08/208,699.62 = 84,165.08/x
  3. Step 3: Cross multiply
    151,233.08x = 208,699.62 × 84,165.08
  4. Step 4: Simplify right side
    151,233.08x = 17,565,220,213.27
  5. Step 5: Solve for x
    x = 17,565,220,213.27/151,233.08
  6. Step 6: Final answer
    x = 116,146.68

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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.