Home / 307,500.24-424,349.64-173,363.28

Finding the Fourth Proportional to 307,500.24, 424,349.64 and 173,363.28

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Solution

The fourth proportional to 307,500.24, 424,349.64 and 173,363.28 is: 239,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,500.24 : 424,349.64 = 173,363.28 : x
  2. Step 2: Convert to fraction form
    307,500.24/424,349.64 = 173,363.28/x
  3. Step 3: Cross multiply
    307,500.24x = 424,349.64 × 173,363.28
  4. Step 4: Simplify right side
    307,500.24x = 73,566,645,457.22
  5. Step 5: Solve for x
    x = 73,566,645,457.22/307,500.24
  6. Step 6: Final answer
    x = 239,240.94

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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.