Home / 193,328.20-289,992.30-134,345.80

Finding the Fourth Proportional to 193,328.20, 289,992.30 and 134,345.80

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Solution

The fourth proportional to 193,328.20, 289,992.30 and 134,345.80 is: 201,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,328.20 : 289,992.30 = 134,345.80 : x
  2. Step 2: Convert to fraction form
    193,328.20/289,992.30 = 134,345.80/x
  3. Step 3: Cross multiply
    193,328.20x = 289,992.30 × 134,345.80
  4. Step 4: Simplify right side
    193,328.20x = 38,959,247,537.34
  5. Step 5: Solve for x
    x = 38,959,247,537.34/193,328.20
  6. Step 6: Final answer
    x = 201,518.70

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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.