Home / 199,406.32-275,168.28-109,984.24

Finding the Fourth Proportional to 199,406.32, 275,168.28 and 109,984.24

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Solution

The fourth proportional to 199,406.32, 275,168.28 and 109,984.24 is: 151,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,406.32 : 275,168.28 = 109,984.24 : x
  2. Step 2: Convert to fraction form
    199,406.32/275,168.28 = 109,984.24/x
  3. Step 3: Cross multiply
    199,406.32x = 275,168.28 × 109,984.24
  4. Step 4: Simplify right side
    199,406.32x = 30,264,174,147.91
  5. Step 5: Solve for x
    x = 30,264,174,147.91/199,406.32
  6. Step 6: Final answer
    x = 151,771.39

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1.5x scale

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.