Home / 337,045.28-505,427.64-137,230.16

Finding the Fourth Proportional to 337,045.28, 505,427.64 and 137,230.16

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Solution

The fourth proportional to 337,045.28, 505,427.64 and 137,230.16 is: 205,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,045.28 : 505,427.64 = 137,230.16 : x
  2. Step 2: Convert to fraction form
    337,045.28/505,427.64 = 137,230.16/x
  3. Step 3: Cross multiply
    337,045.28x = 505,427.64 × 137,230.16
  4. Step 4: Simplify right side
    337,045.28x = 69,359,915,905.62
  5. Step 5: Solve for x
    x = 69,359,915,905.62/337,045.28
  6. Step 6: Final answer
    x = 205,788.12

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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.