Home / 113,862.18-155,990.46-109,604.19

Finding the Fourth Proportional to 113,862.18, 155,990.46 and 109,604.19

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Solution

The fourth proportional to 113,862.18, 155,990.46 and 109,604.19 is: 150,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,862.18 : 155,990.46 = 109,604.19 : x
  2. Step 2: Convert to fraction form
    113,862.18/155,990.46 = 109,604.19/x
  3. Step 3: Cross multiply
    113,862.18x = 155,990.46 × 109,604.19
  4. Step 4: Simplify right side
    113,862.18x = 17,097,209,012.01
  5. Step 5: Solve for x
    x = 17,097,209,012.01/113,862.18
  6. Step 6: Final answer
    x = 150,157.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.