Home / 199,250.01-298,698.05-77,642.39

Finding the Fourth Proportional to 199,250.01, 298,698.05 and 77,642.39

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Solution

The fourth proportional to 199,250.01, 298,698.05 and 77,642.39 is: 116,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,250.01 : 298,698.05 = 77,642.39 : x
  2. Step 2: Convert to fraction form
    199,250.01/298,698.05 = 77,642.39/x
  3. Step 3: Cross multiply
    199,250.01x = 298,698.05 × 77,642.39
  4. Step 4: Simplify right side
    199,250.01x = 23,191,629,303.67
  5. Step 5: Solve for x
    x = 23,191,629,303.67/199,250.01
  6. Step 6: Final answer
    x = 116,394.62

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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.