Home / 289,111.20-433,083.60-194,632.80

Finding the Fourth Proportional to 289,111.20, 433,083.60 and 194,632.80

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Solution

The fourth proportional to 289,111.20, 433,083.60 and 194,632.80 is: 291,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,111.20 : 433,083.60 = 194,632.80 : x
  2. Step 2: Convert to fraction form
    289,111.20/433,083.60 = 194,632.80/x
  3. Step 3: Cross multiply
    289,111.20x = 433,083.60 × 194,632.80
  4. Step 4: Simplify right side
    289,111.20x = 84,292,273,702.08
  5. Step 5: Solve for x
    x = 84,292,273,702.08/289,111.20
  6. Step 6: Final answer
    x = 291,556.58

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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.