Home / 126,197.68-189,274.32-46,219.12

Finding the Fourth Proportional to 126,197.68, 189,274.32 and 46,219.12

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Solution

The fourth proportional to 126,197.68, 189,274.32 and 46,219.12 is: 69,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,197.68 : 189,274.32 = 46,219.12 : x
  2. Step 2: Convert to fraction form
    126,197.68/189,274.32 = 46,219.12/x
  3. Step 3: Cross multiply
    126,197.68x = 189,274.32 × 46,219.12
  4. Step 4: Simplify right side
    126,197.68x = 8,748,092,509.00
  5. Step 5: Solve for x
    x = 8,748,092,509.00/126,197.68
  6. Step 6: Final answer
    x = 69,320.55

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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.