Home / 130,844.13-180,633.48-88,048.64

Finding the Fourth Proportional to 130,844.13, 180,633.48 and 88,048.64

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Solution

The fourth proportional to 130,844.13, 180,633.48 and 88,048.64 is: 121,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,844.13 : 180,633.48 = 88,048.64 : x
  2. Step 2: Convert to fraction form
    130,844.13/180,633.48 = 88,048.64/x
  3. Step 3: Cross multiply
    130,844.13x = 180,633.48 × 88,048.64
  4. Step 4: Simplify right side
    130,844.13x = 15,904,531,349.30
  5. Step 5: Solve for x
    x = 15,904,531,349.30/130,844.13
  6. Step 6: Final answer
    x = 121,553.27

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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.