Home / 298,278.20-411,633.23-169,222.12

Finding the Fourth Proportional to 298,278.20, 411,633.23 and 169,222.12

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Solution

The fourth proportional to 298,278.20, 411,633.23 and 169,222.12 is: 233,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,278.20 : 411,633.23 = 169,222.12 : x
  2. Step 2: Convert to fraction form
    298,278.20/411,633.23 = 169,222.12/x
  3. Step 3: Cross multiply
    298,278.20x = 411,633.23 × 169,222.12
  4. Step 4: Simplify right side
    298,278.20x = 69,657,445,967.85
  5. Step 5: Solve for x
    x = 69,657,445,967.85/298,278.20
  6. Step 6: Final answer
    x = 233,531.80

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1.5x scale

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.