Home / 133,230.06-183,856.10-75,081.38

Finding the Fourth Proportional to 133,230.06, 183,856.10 and 75,081.38

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Solution

The fourth proportional to 133,230.06, 183,856.10 and 75,081.38 is: 103,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,230.06 : 183,856.10 = 75,081.38 : x
  2. Step 2: Convert to fraction form
    133,230.06/183,856.10 = 75,081.38/x
  3. Step 3: Cross multiply
    133,230.06x = 183,856.10 × 75,081.38
  4. Step 4: Simplify right side
    133,230.06x = 13,804,168,414.73
  5. Step 5: Solve for x
    x = 13,804,168,414.73/133,230.06
  6. Step 6: Final answer
    x = 103,611.52

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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.