Home / 657,107.16-985,782.23-207,941.10

Finding the Fourth Proportional to 657,107.16, 985,782.23 and 207,941.10

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Solution

The fourth proportional to 657,107.16, 985,782.23 and 207,941.10 is: 311,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,107.16 : 985,782.23 = 207,941.10 : x
  2. Step 2: Convert to fraction form
    657,107.16/985,782.23 = 207,941.10/x
  3. Step 3: Cross multiply
    657,107.16x = 985,782.23 × 207,941.10
  4. Step 4: Simplify right side
    657,107.16x = 204,984,641,266.65
  5. Step 5: Solve for x
    x = 204,984,641,266.65/657,107.16
  6. Step 6: Final answer
    x = 311,950.10

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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.