Home / 151,577.86-209,174.68-83,601.13

Finding the Fourth Proportional to 151,577.86, 209,174.68 and 83,601.13

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Solution

The fourth proportional to 151,577.86, 209,174.68 and 83,601.13 is: 115,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,577.86 : 209,174.68 = 83,601.13 : x
  2. Step 2: Convert to fraction form
    151,577.86/209,174.68 = 83,601.13/x
  3. Step 3: Cross multiply
    151,577.86x = 209,174.68 × 83,601.13
  4. Step 4: Simplify right side
    151,577.86x = 17,487,239,615.39
  5. Step 5: Solve for x
    x = 17,487,239,615.39/151,577.86
  6. Step 6: Final answer
    x = 115,368.03

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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.