Home / 199,173.93-274,856.46-108,530.68

Finding the Fourth Proportional to 199,173.93, 274,856.46 and 108,530.68

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Solution

The fourth proportional to 199,173.93, 274,856.46 and 108,530.68 is: 149,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,173.93 : 274,856.46 = 108,530.68 : x
  2. Step 2: Convert to fraction form
    199,173.93/274,856.46 = 108,530.68/x
  3. Step 3: Cross multiply
    199,173.93x = 274,856.46 × 108,530.68
  4. Step 4: Simplify right side
    199,173.93x = 29,830,358,506.19
  5. Step 5: Solve for x
    x = 29,830,358,506.19/199,173.93
  6. Step 6: Final answer
    x = 149,770.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.