Home / 198,530.10-297,367.47-93,191.22

Finding the Fourth Proportional to 198,530.10, 297,367.47 and 93,191.22

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Solution

The fourth proportional to 198,530.10, 297,367.47 and 93,191.22 is: 139,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,530.10 : 297,367.47 = 93,191.22 : x
  2. Step 2: Convert to fraction form
    198,530.10/297,367.47 = 93,191.22/x
  3. Step 3: Cross multiply
    198,530.10x = 297,367.47 × 93,191.22
  4. Step 4: Simplify right side
    198,530.10x = 27,712,037,317.61
  5. Step 5: Solve for x
    x = 27,712,037,317.61/198,530.10
  6. Step 6: Final answer
    x = 139,586.07

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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.