Home / 339,711.03-509,567.76-103,055.76

Finding the Fourth Proportional to 339,711.03, 509,567.76 and 103,055.76

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Solution

The fourth proportional to 339,711.03, 509,567.76 and 103,055.76 is: 154,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,711.03 : 509,567.76 = 103,055.76 : x
  2. Step 2: Convert to fraction form
    339,711.03/509,567.76 = 103,055.76/x
  3. Step 3: Cross multiply
    339,711.03x = 509,567.76 × 103,055.76
  4. Step 4: Simplify right side
    339,711.03x = 52,513,892,778.30
  5. Step 5: Solve for x
    x = 52,513,892,778.30/339,711.03
  6. Step 6: Final answer
    x = 154,584.01

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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.