Home / 130,133.76-195,256.53-41,394.48

Finding the Fourth Proportional to 130,133.76, 195,256.53 and 41,394.48

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Solution

The fourth proportional to 130,133.76, 195,256.53 and 41,394.48 is: 62,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,133.76 : 195,256.53 = 41,394.48 : x
  2. Step 2: Convert to fraction form
    130,133.76/195,256.53 = 41,394.48/x
  3. Step 3: Cross multiply
    130,133.76x = 195,256.53 × 41,394.48
  4. Step 4: Simplify right side
    130,133.76x = 8,082,542,525.95
  5. Step 5: Solve for x
    x = 8,082,542,525.95/130,133.76
  6. Step 6: Final answer
    x = 62,109.50

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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.