Home / 368,192.61-507,974.13-215,176.41

Finding the Fourth Proportional to 368,192.61, 507,974.13 and 215,176.41

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Solution

The fourth proportional to 368,192.61, 507,974.13 and 215,176.41 is: 296,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,192.61 : 507,974.13 = 215,176.41 : x
  2. Step 2: Convert to fraction form
    368,192.61/507,974.13 = 215,176.41/x
  3. Step 3: Cross multiply
    368,192.61x = 507,974.13 × 215,176.41
  4. Step 4: Simplify right side
    368,192.61x = 109,304,049,666.27
  5. Step 5: Solve for x
    x = 109,304,049,666.27/368,192.61
  6. Step 6: Final answer
    x = 296,866.50

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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.