Home / 385,651.85-532,136.25-242,310.38

Finding the Fourth Proportional to 385,651.85, 532,136.25 and 242,310.38

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Solution

The fourth proportional to 385,651.85, 532,136.25 and 242,310.38 is: 334,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,651.85 : 532,136.25 = 242,310.38 : x
  2. Step 2: Convert to fraction form
    385,651.85/532,136.25 = 242,310.38/x
  3. Step 3: Cross multiply
    385,651.85x = 532,136.25 × 242,310.38
  4. Step 4: Simplify right side
    385,651.85x = 128,942,134,288.59
  5. Step 5: Solve for x
    x = 128,942,134,288.59/385,651.85
  6. Step 6: Final answer
    x = 334,348.55

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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.