Home / 133,721.13-184,534.50-73,294.32

Finding the Fourth Proportional to 133,721.13, 184,534.50 and 73,294.32

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Solution

The fourth proportional to 133,721.13, 184,534.50 and 73,294.32 is: 101,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,721.13 : 184,534.50 = 73,294.32 : x
  2. Step 2: Convert to fraction form
    133,721.13/184,534.50 = 73,294.32/x
  3. Step 3: Cross multiply
    133,721.13x = 184,534.50 × 73,294.32
  4. Step 4: Simplify right side
    133,721.13x = 13,525,330,694.04
  5. Step 5: Solve for x
    x = 13,525,330,694.04/133,721.13
  6. Step 6: Final answer
    x = 101,145.80

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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.