Home / 133,021.06-183,599.13-90,596.50

Finding the Fourth Proportional to 133,021.06, 183,599.13 and 90,596.50

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Solution

The fourth proportional to 133,021.06, 183,599.13 and 90,596.50 is: 125,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.06 : 183,599.13 = 90,596.50 : x
  2. Step 2: Convert to fraction form
    133,021.06/183,599.13 = 90,596.50/x
  3. Step 3: Cross multiply
    133,021.06x = 183,599.13 × 90,596.50
  4. Step 4: Simplify right side
    133,021.06x = 16,633,438,581.05
  5. Step 5: Solve for x
    x = 16,633,438,581.05/133,021.06
  6. Step 6: Final answer
    x = 125,043.65

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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.