Home / 123,541.98-183,723.64-119,605.38

Finding the Fourth Proportional to 123,541.98, 183,723.64 and 119,605.38

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Solution

The fourth proportional to 123,541.98, 183,723.64 and 119,605.38 is: 177,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,541.98 : 183,723.64 = 119,605.38 : x
  2. Step 2: Convert to fraction form
    123,541.98/183,723.64 = 119,605.38/x
  3. Step 3: Cross multiply
    123,541.98x = 183,723.64 × 119,605.38
  4. Step 4: Simplify right side
    123,541.98x = 21,974,335,478.17
  5. Step 5: Solve for x
    x = 21,974,335,478.17/123,541.98
  6. Step 6: Final answer
    x = 177,869.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.