Home / 321,569.19-443,758.70-178,326.16

Finding the Fourth Proportional to 321,569.19, 443,758.70 and 178,326.16

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Solution

The fourth proportional to 321,569.19, 443,758.70 and 178,326.16 is: 246,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,569.19 : 443,758.70 = 178,326.16 : x
  2. Step 2: Convert to fraction form
    321,569.19/443,758.70 = 178,326.16/x
  3. Step 3: Cross multiply
    321,569.19x = 443,758.70 × 178,326.16
  4. Step 4: Simplify right side
    321,569.19x = 79,133,784,274.01
  5. Step 5: Solve for x
    x = 79,133,784,274.01/321,569.19
  6. Step 6: Final answer
    x = 246,086.34

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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.