Home / 131,583.49-181,574.74-74,204.41

Finding the Fourth Proportional to 131,583.49, 181,574.74 and 74,204.41

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Solution

The fourth proportional to 131,583.49, 181,574.74 and 74,204.41 is: 102,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,583.49 : 181,574.74 = 74,204.41 : x
  2. Step 2: Convert to fraction form
    131,583.49/181,574.74 = 74,204.41/x
  3. Step 3: Cross multiply
    131,583.49x = 181,574.74 × 74,204.41
  4. Step 4: Simplify right side
    131,583.49x = 13,473,646,091.42
  5. Step 5: Solve for x
    x = 13,473,646,091.42/131,583.49
  6. Step 6: Final answer
    x = 102,396.17

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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.