Home / 193,280.26-289,543.11-133,166.92

Finding the Fourth Proportional to 193,280.26, 289,543.11 and 133,166.92

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Solution

The fourth proportional to 193,280.26, 289,543.11 and 133,166.92 is: 199,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,280.26 : 289,543.11 = 133,166.92 : x
  2. Step 2: Convert to fraction form
    193,280.26/289,543.11 = 133,166.92/x
  3. Step 3: Cross multiply
    193,280.26x = 289,543.11 × 133,166.92
  4. Step 4: Simplify right side
    193,280.26x = 38,557,564,165.92
  5. Step 5: Solve for x
    x = 38,557,564,165.92/193,280.26
  6. Step 6: Final answer
    x = 199,490.44

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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.