Home / 179,929.22-248,054.01-128,983.46

Finding the Fourth Proportional to 179,929.22, 248,054.01 and 128,983.46

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Solution

The fourth proportional to 179,929.22, 248,054.01 and 128,983.46 is: 177,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,929.22 : 248,054.01 = 128,983.46 : x
  2. Step 2: Convert to fraction form
    179,929.22/248,054.01 = 128,983.46/x
  3. Step 3: Cross multiply
    179,929.22x = 248,054.01 × 128,983.46
  4. Step 4: Simplify right side
    179,929.22x = 31,994,864,476.67
  5. Step 5: Solve for x
    x = 31,994,864,476.67/179,929.22
  6. Step 6: Final answer
    x = 177,819.17

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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.