Home / 193,442.18-290,269.17-75,118.19

Finding the Fourth Proportional to 193,442.18, 290,269.17 and 75,118.19

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Solution

The fourth proportional to 193,442.18, 290,269.17 and 75,118.19 is: 112,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,442.18 : 290,269.17 = 75,118.19 : x
  2. Step 2: Convert to fraction form
    193,442.18/290,269.17 = 75,118.19/x
  3. Step 3: Cross multiply
    193,442.18x = 290,269.17 × 75,118.19
  4. Step 4: Simplify right side
    193,442.18x = 21,804,493,211.86
  5. Step 5: Solve for x
    x = 21,804,493,211.86/193,442.18
  6. Step 6: Final answer
    x = 112,718.40

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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.