Home / 206,582.94-309,875.78-56,839.05

Finding the Fourth Proportional to 206,582.94, 309,875.78 and 56,839.05

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Solution

The fourth proportional to 206,582.94, 309,875.78 and 56,839.05 is: 85,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,582.94 : 309,875.78 = 56,839.05 : x
  2. Step 2: Convert to fraction form
    206,582.94/309,875.78 = 56,839.05/x
  3. Step 3: Cross multiply
    206,582.94x = 309,875.78 × 56,839.05
  4. Step 4: Simplify right side
    206,582.94x = 17,613,044,669.01
  5. Step 5: Solve for x
    x = 17,613,044,669.01/206,582.94
  6. Step 6: Final answer
    x = 85,258.95

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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.