Home / 307,904.48-424,906.80-173,767.52

Finding the Fourth Proportional to 307,904.48, 424,906.80 and 173,767.52

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Solution

The fourth proportional to 307,904.48, 424,906.80 and 173,767.52 is: 239,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,904.48 : 424,906.80 = 173,767.52 : x
  2. Step 2: Convert to fraction form
    307,904.48/424,906.80 = 173,767.52/x
  3. Step 3: Cross multiply
    307,904.48x = 424,906.80 × 173,767.52
  4. Step 4: Simplify right side
    307,904.48x = 73,835,000,867.14
  5. Step 5: Solve for x
    x = 73,835,000,867.14/307,904.48
  6. Step 6: Final answer
    x = 239,798.40

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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.