Home / 352,915.18-487,025.90-191,770.23

Finding the Fourth Proportional to 352,915.18, 487,025.90 and 191,770.23

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Solution

The fourth proportional to 352,915.18, 487,025.90 and 191,770.23 is: 264,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,915.18 : 487,025.90 = 191,770.23 : x
  2. Step 2: Convert to fraction form
    352,915.18/487,025.90 = 191,770.23/x
  3. Step 3: Cross multiply
    352,915.18x = 487,025.90 × 191,770.23
  4. Step 4: Simplify right side
    352,915.18x = 93,397,065,464.98
  5. Step 5: Solve for x
    x = 93,397,065,464.98/352,915.18
  6. Step 6: Final answer
    x = 264,644.51

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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.