Home / 127,049.19-190,287.04-72,944.43

Finding the Fourth Proportional to 127,049.19, 190,287.04 and 72,944.43

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Solution

The fourth proportional to 127,049.19, 190,287.04 and 72,944.43 is: 109,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,049.19 : 190,287.04 = 72,944.43 : x
  2. Step 2: Convert to fraction form
    127,049.19/190,287.04 = 72,944.43/x
  3. Step 3: Cross multiply
    127,049.19x = 190,287.04 × 72,944.43
  4. Step 4: Simplify right side
    127,049.19x = 13,880,379,669.19
  5. Step 5: Solve for x
    x = 13,880,379,669.19/127,049.19
  6. Step 6: Final answer
    x = 109,252.01

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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.