Home / 199,317.86-298,366.23-129,057.38

Finding the Fourth Proportional to 199,317.86, 298,366.23 and 129,057.38

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Solution

The fourth proportional to 199,317.86, 298,366.23 and 129,057.38 is: 193,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,317.86 : 298,366.23 = 129,057.38 : x
  2. Step 2: Convert to fraction form
    199,317.86/298,366.23 = 129,057.38/x
  3. Step 3: Cross multiply
    199,317.86x = 298,366.23 × 129,057.38
  4. Step 4: Simplify right side
    199,317.86x = 38,506,363,924.28
  5. Step 5: Solve for x
    x = 38,506,363,924.28/199,317.86
  6. Step 6: Final answer
    x = 193,190.74

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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.