Home / 335,720.50-503,531.03-122,438.39

Finding the Fourth Proportional to 335,720.50, 503,531.03 and 122,438.39

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Solution

The fourth proportional to 335,720.50, 503,531.03 and 122,438.39 is: 183,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,720.50 : 503,531.03 = 122,438.39 : x
  2. Step 2: Convert to fraction form
    335,720.50/503,531.03 = 122,438.39/x
  3. Step 3: Cross multiply
    335,720.50x = 503,531.03 × 122,438.39
  4. Step 4: Simplify right side
    335,720.50x = 61,651,526,416.68
  5. Step 5: Solve for x
    x = 61,651,526,416.68/335,720.50
  6. Step 6: Final answer
    x = 183,639.45

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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.