Home / 133,046.44-183,604.08-90,678.98

Finding the Fourth Proportional to 133,046.44, 183,604.08 and 90,678.98

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Solution

The fourth proportional to 133,046.44, 183,604.08 and 90,678.98 is: 125,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,046.44 : 183,604.08 = 90,678.98 : x
  2. Step 2: Convert to fraction form
    133,046.44/183,604.08 = 90,678.98/x
  3. Step 3: Cross multiply
    133,046.44x = 183,604.08 × 90,678.98
  4. Step 4: Simplify right side
    133,046.44x = 16,649,031,497.29
  5. Step 5: Solve for x
    x = 16,649,031,497.29/133,046.44
  6. Step 6: Final answer
    x = 125,137.00

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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.