Home / 131,244.49-181,115.81-74,655.73

Finding the Fourth Proportional to 131,244.49, 181,115.81 and 74,655.73

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Solution

The fourth proportional to 131,244.49, 181,115.81 and 74,655.73 is: 103,024.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,244.49 : 181,115.81 = 74,655.73 : x
  2. Step 2: Convert to fraction form
    131,244.49/181,115.81 = 74,655.73/x
  3. Step 3: Cross multiply
    131,244.49x = 181,115.81 × 74,655.73
  4. Step 4: Simplify right side
    131,244.49x = 13,521,332,104.51
  5. Step 5: Solve for x
    x = 13,521,332,104.51/131,244.49
  6. Step 6: Final answer
    x = 103,024.00

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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.