Home / 328,426.86-453,234.11-192,428.26

Finding the Fourth Proportional to 328,426.86, 453,234.11 and 192,428.26

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Solution

The fourth proportional to 328,426.86, 453,234.11 and 192,428.26 is: 265,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,426.86 : 453,234.11 = 192,428.26 : x
  2. Step 2: Convert to fraction form
    328,426.86/453,234.11 = 192,428.26/x
  3. Step 3: Cross multiply
    328,426.86x = 453,234.11 × 192,428.26
  4. Step 4: Simplify right side
    328,426.86x = 87,215,051,159.95
  5. Step 5: Solve for x
    x = 87,215,051,159.95/328,426.86
  6. Step 6: Final answer
    x = 265,553.95

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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.