Home / 523,139.26-784,764.78-186,210.04

Finding the Fourth Proportional to 523,139.26, 784,764.78 and 186,210.04

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Solution

The fourth proportional to 523,139.26, 784,764.78 and 186,210.04 is: 279,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,139.26 : 784,764.78 = 186,210.04 : x
  2. Step 2: Convert to fraction form
    523,139.26/784,764.78 = 186,210.04/x
  3. Step 3: Cross multiply
    523,139.26x = 784,764.78 × 186,210.04
  4. Step 4: Simplify right side
    523,139.26x = 146,131,081,074.39
  5. Step 5: Solve for x
    x = 146,131,081,074.39/523,139.26
  6. Step 6: Final answer
    x = 279,334.95

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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.