Home / 117,048.24-161,411.54-115,178.36

Finding the Fourth Proportional to 117,048.24, 161,411.54 and 115,178.36

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Solution

The fourth proportional to 117,048.24, 161,411.54 and 115,178.36 is: 158,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048.24 : 161,411.54 = 115,178.36 : x
  2. Step 2: Convert to fraction form
    117,048.24/161,411.54 = 115,178.36/x
  3. Step 3: Cross multiply
    117,048.24x = 161,411.54 × 115,178.36
  4. Step 4: Simplify right side
    117,048.24x = 18,591,115,079.32
  5. Step 5: Solve for x
    x = 18,591,115,079.32/117,048.24
  6. Step 6: Final answer
    x = 158,832.93

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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.