Home / 133,822.12-184,319.58-99,721.24

Finding the Fourth Proportional to 133,822.12, 184,319.58 and 99,721.24

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Solution

The fourth proportional to 133,822.12, 184,319.58 and 99,721.24 is: 137,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,822.12 : 184,319.58 = 99,721.24 : x
  2. Step 2: Convert to fraction form
    133,822.12/184,319.58 = 99,721.24/x
  3. Step 3: Cross multiply
    133,822.12x = 184,319.58 × 99,721.24
  4. Step 4: Simplify right side
    133,822.12x = 18,380,577,073.88
  5. Step 5: Solve for x
    x = 18,380,577,073.88/133,822.12
  6. Step 6: Final answer
    x = 137,350.81

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1.5x scale

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.