Home / 307,656.06-424,554.29-192,996.43

Finding the Fourth Proportional to 307,656.06, 424,554.29 and 192,996.43

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Solution

The fourth proportional to 307,656.06, 424,554.29 and 192,996.43 is: 266,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,656.06 : 424,554.29 = 192,996.43 : x
  2. Step 2: Convert to fraction form
    307,656.06/424,554.29 = 192,996.43/x
  3. Step 3: Cross multiply
    307,656.06x = 424,554.29 × 192,996.43
  4. Step 4: Simplify right side
    307,656.06x = 81,937,461,659.81
  5. Step 5: Solve for x
    x = 81,937,461,659.81/307,656.06
  6. Step 6: Final answer
    x = 266,328.13

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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.