Home / 136,729.07-204,798.34-133,382.96

Finding the Fourth Proportional to 136,729.07, 204,798.34 and 133,382.96

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Solution

The fourth proportional to 136,729.07, 204,798.34 and 133,382.96 is: 199,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,729.07 : 204,798.34 = 133,382.96 : x
  2. Step 2: Convert to fraction form
    136,729.07/204,798.34 = 133,382.96/x
  3. Step 3: Cross multiply
    136,729.07x = 204,798.34 × 133,382.96
  4. Step 4: Simplify right side
    136,729.07x = 27,316,607,101.38
  5. Step 5: Solve for x
    x = 27,316,607,101.38/136,729.07
  6. Step 6: Final answer
    x = 199,786.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.