Home / 117,252.13-161,722.50-74,238.63

Finding the Fourth Proportional to 117,252.13, 161,722.50 and 74,238.63

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Solution

The fourth proportional to 117,252.13, 161,722.50 and 74,238.63 is: 102,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252.13 : 161,722.50 = 74,238.63 : x
  2. Step 2: Convert to fraction form
    117,252.13/161,722.50 = 74,238.63/x
  3. Step 3: Cross multiply
    117,252.13x = 161,722.50 × 74,238.63
  4. Step 4: Simplify right side
    117,252.13x = 12,006,056,164.12
  5. Step 5: Solve for x
    x = 12,006,056,164.12/117,252.13
  6. Step 6: Final answer
    x = 102,395.21

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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.