Home / 185,242.51-255,633.06-100,359.37

Finding the Fourth Proportional to 185,242.51, 255,633.06 and 100,359.37

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Solution

The fourth proportional to 185,242.51, 255,633.06 and 100,359.37 is: 138,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,242.51 : 255,633.06 = 100,359.37 : x
  2. Step 2: Convert to fraction form
    185,242.51/255,633.06 = 100,359.37/x
  3. Step 3: Cross multiply
    185,242.51x = 255,633.06 × 100,359.37
  4. Step 4: Simplify right side
    185,242.51x = 25,655,172,852.77
  5. Step 5: Solve for x
    x = 25,655,172,852.77/185,242.51
  6. Step 6: Final answer
    x = 138,495.06

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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.