Home / 321,587.28-443,783.52-178,344.24

Finding the Fourth Proportional to 321,587.28, 443,783.52 and 178,344.24

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Solution

The fourth proportional to 321,587.28, 443,783.52 and 178,344.24 is: 246,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,587.28 : 443,783.52 = 178,344.24 : x
  2. Step 2: Convert to fraction form
    321,587.28/443,783.52 = 178,344.24/x
  3. Step 3: Cross multiply
    321,587.28x = 443,783.52 × 178,344.24
  4. Step 4: Simplify right side
    321,587.28x = 79,146,234,598.92
  5. Step 5: Solve for x
    x = 79,146,234,598.92/321,587.28
  6. Step 6: Final answer
    x = 246,111.21

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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.