Home / 149,763.40-206,719.26-92,420.26

Finding the Fourth Proportional to 149,763.40, 206,719.26 and 92,420.26

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Solution

The fourth proportional to 149,763.40, 206,719.26 and 92,420.26 is: 127,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,763.40 : 206,719.26 = 92,420.26 : x
  2. Step 2: Convert to fraction form
    149,763.40/206,719.26 = 92,420.26/x
  3. Step 3: Cross multiply
    149,763.40x = 206,719.26 × 92,420.26
  4. Step 4: Simplify right side
    149,763.40x = 19,105,047,756.21
  5. Step 5: Solve for x
    x = 19,105,047,756.21/149,763.40
  6. Step 6: Final answer
    x = 127,568.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.