Home / 198,343.84-297,518.20-58,105.32

Finding the Fourth Proportional to 198,343.84, 297,518.20 and 58,105.32

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Solution

The fourth proportional to 198,343.84, 297,518.20 and 58,105.32 is: 87,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,343.84 : 297,518.20 = 58,105.32 : x
  2. Step 2: Convert to fraction form
    198,343.84/297,518.20 = 58,105.32/x
  3. Step 3: Cross multiply
    198,343.84x = 297,518.20 × 58,105.32
  4. Step 4: Simplify right side
    198,343.84x = 17,287,390,216.82
  5. Step 5: Solve for x
    x = 17,287,390,216.82/198,343.84
  6. Step 6: Final answer
    x = 87,158.69

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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.