Home / 133,029.06-183,610.17-90,604.50

Finding the Fourth Proportional to 133,029.06, 183,610.17 and 90,604.50

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Solution

The fourth proportional to 133,029.06, 183,610.17 and 90,604.50 is: 125,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.06 : 183,610.17 = 90,604.50 : x
  2. Step 2: Convert to fraction form
    133,029.06/183,610.17 = 90,604.50/x
  3. Step 3: Cross multiply
    133,029.06x = 183,610.17 × 90,604.50
  4. Step 4: Simplify right side
    133,029.06x = 16,635,907,647.77
  5. Step 5: Solve for x
    x = 16,635,907,647.77/133,029.06
  6. Step 6: Final answer
    x = 125,054.69

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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.