Home / 280,037.84-386,339.31-162,087.19

Finding the Fourth Proportional to 280,037.84, 386,339.31 and 162,087.19

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Solution

The fourth proportional to 280,037.84, 386,339.31 and 162,087.19 is: 223,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,037.84 : 386,339.31 = 162,087.19 : x
  2. Step 2: Convert to fraction form
    280,037.84/386,339.31 = 162,087.19/x
  3. Step 3: Cross multiply
    280,037.84x = 386,339.31 × 162,087.19
  4. Step 4: Simplify right side
    280,037.84x = 62,620,652,178.59
  5. Step 5: Solve for x
    x = 62,620,652,178.59/280,037.84
  6. Step 6: Final answer
    x = 223,614.97

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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.