Home / 393,669.40-590,504.10-157,181.80

Finding the Fourth Proportional to 393,669.40, 590,504.10 and 157,181.80

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Solution

The fourth proportional to 393,669.40, 590,504.10 and 157,181.80 is: 235,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,669.40 : 590,504.10 = 157,181.80 : x
  2. Step 2: Convert to fraction form
    393,669.40/590,504.10 = 157,181.80/x
  3. Step 3: Cross multiply
    393,669.40x = 590,504.10 × 157,181.80
  4. Step 4: Simplify right side
    393,669.40x = 92,816,497,345.38
  5. Step 5: Solve for x
    x = 92,816,497,345.38/393,669.40
  6. Step 6: Final answer
    x = 235,772.70

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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.