Home / 436,696.38-655,040.93-121,153.32

Finding the Fourth Proportional to 436,696.38, 655,040.93 and 121,153.32

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Solution

The fourth proportional to 436,696.38, 655,040.93 and 121,153.32 is: 181,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,696.38 : 655,040.93 = 121,153.32 : x
  2. Step 2: Convert to fraction form
    436,696.38/655,040.93 = 121,153.32/x
  3. Step 3: Cross multiply
    436,696.38x = 655,040.93 × 121,153.32
  4. Step 4: Simplify right side
    436,696.38x = 79,360,382,799.62
  5. Step 5: Solve for x
    x = 79,360,382,799.62/436,696.38
  6. Step 6: Final answer
    x = 181,728.97

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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.