Home / 328,938.59-453,938.96-192,974.87

Finding the Fourth Proportional to 328,938.59, 453,938.96 and 192,974.87

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Solution

The fourth proportional to 328,938.59, 453,938.96 and 192,974.87 is: 266,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,938.59 : 453,938.96 = 192,974.87 : x
  2. Step 2: Convert to fraction form
    328,938.59/453,938.96 = 192,974.87/x
  3. Step 3: Cross multiply
    328,938.59x = 453,938.96 × 192,974.87
  4. Step 4: Simplify right side
    328,938.59x = 87,598,811,793.94
  5. Step 5: Solve for x
    x = 87,598,811,793.94/328,938.59
  6. Step 6: Final answer
    x = 266,307.49

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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.