Home / 236,095.58-325,802.40-128,663.28

Finding the Fourth Proportional to 236,095.58, 325,802.40 and 128,663.28

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Solution

The fourth proportional to 236,095.58, 325,802.40 and 128,663.28 is: 177,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,095.58 : 325,802.40 = 128,663.28 : x
  2. Step 2: Convert to fraction form
    236,095.58/325,802.40 = 128,663.28/x
  3. Step 3: Cross multiply
    236,095.58x = 325,802.40 × 128,663.28
  4. Step 4: Simplify right side
    236,095.58x = 41,918,805,415.87
  5. Step 5: Solve for x
    x = 41,918,805,415.87/236,095.58
  6. Step 6: Final answer
    x = 177,550.15

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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.