Home / 206,401.28-309,602.19-56,643.62

Finding the Fourth Proportional to 206,401.28, 309,602.19 and 56,643.62

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Solution

The fourth proportional to 206,401.28, 309,602.19 and 56,643.62 is: 84,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,401.28 : 309,602.19 = 56,643.62 : x
  2. Step 2: Convert to fraction form
    206,401.28/309,602.19 = 56,643.62/x
  3. Step 3: Cross multiply
    206,401.28x = 309,602.19 × 56,643.62
  4. Step 4: Simplify right side
    206,401.28x = 17,536,988,801.53
  5. Step 5: Solve for x
    x = 17,536,988,801.53/206,401.28
  6. Step 6: Final answer
    x = 84,965.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.