Home / 127,186.05-190,806.06-48,298.53

Finding the Fourth Proportional to 127,186.05, 190,806.06 and 48,298.53

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Solution

The fourth proportional to 127,186.05, 190,806.06 and 48,298.53 is: 72,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,186.05 : 190,806.06 = 48,298.53 : x
  2. Step 2: Convert to fraction form
    127,186.05/190,806.06 = 48,298.53/x
  3. Step 3: Cross multiply
    127,186.05x = 190,806.06 × 48,298.53
  4. Step 4: Simplify right side
    127,186.05x = 9,215,652,213.09
  5. Step 5: Solve for x
    x = 9,215,652,213.09/127,186.05
  6. Step 6: Final answer
    x = 72,458.04

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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.