Home / 134,017.28-201,989.22-115,520.56

Finding the Fourth Proportional to 134,017.28, 201,989.22 and 115,520.56

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Solution

The fourth proportional to 134,017.28, 201,989.22 and 115,520.56 is: 174,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,017.28 : 201,989.22 = 115,520.56 : x
  2. Step 2: Convert to fraction form
    134,017.28/201,989.22 = 115,520.56/x
  3. Step 3: Cross multiply
    134,017.28x = 201,989.22 × 115,520.56
  4. Step 4: Simplify right side
    134,017.28x = 23,333,907,808.36
  5. Step 5: Solve for x
    x = 23,333,907,808.36/134,017.28
  6. Step 6: Final answer
    x = 174,111.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.