Home / 177,118.51-265,736.09-71,909.23

Finding the Fourth Proportional to 177,118.51, 265,736.09 and 71,909.23

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Solution

The fourth proportional to 177,118.51, 265,736.09 and 71,909.23 is: 107,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,118.51 : 265,736.09 = 71,909.23 : x
  2. Step 2: Convert to fraction form
    177,118.51/265,736.09 = 71,909.23/x
  3. Step 3: Cross multiply
    177,118.51x = 265,736.09 × 71,909.23
  4. Step 4: Simplify right side
    177,118.51x = 19,108,875,926.88
  5. Step 5: Solve for x
    x = 19,108,875,926.88/177,118.51
  6. Step 6: Final answer
    x = 107,887.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.