Home / 328,931.59-453,926.97-178,028.59

Finding the Fourth Proportional to 328,931.59, 453,926.97 and 178,028.59

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Solution

The fourth proportional to 328,931.59, 453,926.97 and 178,028.59 is: 245,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,931.59 : 453,926.97 = 178,028.59 : x
  2. Step 2: Convert to fraction form
    328,931.59/453,926.97 = 178,028.59/x
  3. Step 3: Cross multiply
    328,931.59x = 453,926.97 × 178,028.59
  4. Step 4: Simplify right side
    328,931.59x = 80,811,978,432.07
  5. Step 5: Solve for x
    x = 80,811,978,432.07/328,931.59
  6. Step 6: Final answer
    x = 245,680.20

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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.