Home / 376,156.16-519,099.04-206,396.40

Finding the Fourth Proportional to 376,156.16, 519,099.04 and 206,396.40

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Solution

The fourth proportional to 376,156.16, 519,099.04 and 206,396.40 is: 284,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,156.16 : 519,099.04 = 206,396.40 : x
  2. Step 2: Convert to fraction form
    376,156.16/519,099.04 = 206,396.40/x
  3. Step 3: Cross multiply
    376,156.16x = 519,099.04 × 206,396.40
  4. Step 4: Simplify right side
    376,156.16x = 107,140,173,099.46
  5. Step 5: Solve for x
    x = 107,140,173,099.46/376,156.16
  6. Step 6: Final answer
    x = 284,828.97

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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.