Home / 307,491.24-424,337.22-173,354.28

Finding the Fourth Proportional to 307,491.24, 424,337.22 and 173,354.28

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Solution

The fourth proportional to 307,491.24, 424,337.22 and 173,354.28 is: 239,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,491.24 : 424,337.22 = 173,354.28 : x
  2. Step 2: Convert to fraction form
    307,491.24/424,337.22 = 173,354.28/x
  3. Step 3: Cross multiply
    307,491.24x = 424,337.22 × 173,354.28
  4. Step 4: Simplify right side
    307,491.24x = 73,560,673,250.30
  5. Step 5: Solve for x
    x = 73,560,673,250.30/307,491.24
  6. Step 6: Final answer
    x = 239,228.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.