Home / 198,309.47-297,508.14-65,184.35

Finding the Fourth Proportional to 198,309.47, 297,508.14 and 65,184.35

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Solution

The fourth proportional to 198,309.47, 297,508.14 and 65,184.35 is: 97,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,309.47 : 297,508.14 = 65,184.35 : x
  2. Step 2: Convert to fraction form
    198,309.47/297,508.14 = 65,184.35/x
  3. Step 3: Cross multiply
    198,309.47x = 297,508.14 × 65,184.35
  4. Step 4: Simplify right side
    198,309.47x = 19,392,873,238.07
  5. Step 5: Solve for x
    x = 19,392,873,238.07/198,309.47
  6. Step 6: Final answer
    x = 97,790.96

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1.5x scale

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.