Home / 133,035.06-183,618.45-90,610.50

Finding the Fourth Proportional to 133,035.06, 183,618.45 and 90,610.50

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Solution

The fourth proportional to 133,035.06, 183,618.45 and 90,610.50 is: 125,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.06 : 183,618.45 = 90,610.50 : x
  2. Step 2: Convert to fraction form
    133,035.06/183,618.45 = 90,610.50/x
  3. Step 3: Cross multiply
    133,035.06x = 183,618.45 × 90,610.50
  4. Step 4: Simplify right side
    133,035.06x = 16,637,759,563.73
  5. Step 5: Solve for x
    x = 16,637,759,563.73/133,035.06
  6. Step 6: Final answer
    x = 125,062.97

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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.