Home / 525,167.66-787,834.79-188,201.05

Finding the Fourth Proportional to 525,167.66, 787,834.79 and 188,201.05

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Solution

The fourth proportional to 525,167.66, 787,834.79 and 188,201.05 is: 282,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,167.66 : 787,834.79 = 188,201.05 : x
  2. Step 2: Convert to fraction form
    525,167.66/787,834.79 = 188,201.05/x
  3. Step 3: Cross multiply
    525,167.66x = 787,834.79 × 188,201.05
  4. Step 4: Simplify right side
    525,167.66x = 148,271,334,704.53
  5. Step 5: Solve for x
    x = 148,271,334,704.53/525,167.66
  6. Step 6: Final answer
    x = 282,331.43

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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.