Home / 280,206.17-386,232.77-189,529.04

Finding the Fourth Proportional to 280,206.17, 386,232.77 and 189,529.04

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Solution

The fourth proportional to 280,206.17, 386,232.77 and 189,529.04 is: 261,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,206.17 : 386,232.77 = 189,529.04 : x
  2. Step 2: Convert to fraction form
    280,206.17/386,232.77 = 189,529.04/x
  3. Step 3: Cross multiply
    280,206.17x = 386,232.77 × 189,529.04
  4. Step 4: Simplify right side
    280,206.17x = 73,202,323,235.83
  5. Step 5: Solve for x
    x = 73,202,323,235.83/280,206.17
  6. Step 6: Final answer
    x = 261,244.51

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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.