Home / 127,418.37-191,102.03-121,095.51

Finding the Fourth Proportional to 127,418.37, 191,102.03 and 121,095.51

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Solution

The fourth proportional to 127,418.37, 191,102.03 and 121,095.51 is: 181,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,418.37 : 191,102.03 = 121,095.51 : x
  2. Step 2: Convert to fraction form
    127,418.37/191,102.03 = 121,095.51/x
  3. Step 3: Cross multiply
    127,418.37x = 191,102.03 × 121,095.51
  4. Step 4: Simplify right side
    127,418.37x = 23,141,597,598.05
  5. Step 5: Solve for x
    x = 23,141,597,598.05/127,418.37
  6. Step 6: Final answer
    x = 181,619.01

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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.