Home / 371,015.80-556,568.08-131,080.04

Finding the Fourth Proportional to 371,015.80, 556,568.08 and 131,080.04

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Solution

The fourth proportional to 371,015.80, 556,568.08 and 131,080.04 is: 196,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,015.80 : 556,568.08 = 131,080.04 : x
  2. Step 2: Convert to fraction form
    371,015.80/556,568.08 = 131,080.04/x
  3. Step 3: Cross multiply
    371,015.80x = 556,568.08 × 131,080.04
  4. Step 4: Simplify right side
    371,015.80x = 72,954,966,189.12
  5. Step 5: Solve for x
    x = 72,954,966,189.12/371,015.80
  6. Step 6: Final answer
    x = 196,635.74

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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.