Home / 133,545.26-184,291.83-72,291.48

Finding the Fourth Proportional to 133,545.26, 184,291.83 and 72,291.48

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Solution

The fourth proportional to 133,545.26, 184,291.83 and 72,291.48 is: 99,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,545.26 : 184,291.83 = 72,291.48 : x
  2. Step 2: Convert to fraction form
    133,545.26/184,291.83 = 72,291.48/x
  3. Step 3: Cross multiply
    133,545.26x = 184,291.83 × 72,291.48
  4. Step 4: Simplify right side
    133,545.26x = 13,322,729,142.61
  5. Step 5: Solve for x
    x = 13,322,729,142.61/133,545.26
  6. Step 6: Final answer
    x = 99,761.91

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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.