Home / 285,066.02-393,432.84-164,183.78

Finding the Fourth Proportional to 285,066.02, 393,432.84 and 164,183.78

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Solution

The fourth proportional to 285,066.02, 393,432.84 and 164,183.78 is: 226,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,066.02 : 393,432.84 = 164,183.78 : x
  2. Step 2: Convert to fraction form
    285,066.02/393,432.84 = 164,183.78/x
  3. Step 3: Cross multiply
    285,066.02x = 393,432.84 × 164,183.78
  4. Step 4: Simplify right side
    285,066.02x = 64,595,290,847.34
  5. Step 5: Solve for x
    x = 64,595,290,847.34/285,066.02
  6. Step 6: Final answer
    x = 226,597.65

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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.