Home / 130,203.45-195,303.76-98,806.33

Finding the Fourth Proportional to 130,203.45, 195,303.76 and 98,806.33

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Solution

The fourth proportional to 130,203.45, 195,303.76 and 98,806.33 is: 148,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,203.45 : 195,303.76 = 98,806.33 : x
  2. Step 2: Convert to fraction form
    130,203.45/195,303.76 = 98,806.33/x
  3. Step 3: Cross multiply
    130,203.45x = 195,303.76 × 98,806.33
  4. Step 4: Simplify right side
    130,203.45x = 19,297,247,757.91
  5. Step 5: Solve for x
    x = 19,297,247,757.91/130,203.45
  6. Step 6: Final answer
    x = 148,208.42

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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.