Home / 286,184.08-394,919.94-157,119.40

Finding the Fourth Proportional to 286,184.08, 394,919.94 and 157,119.40

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Solution

The fourth proportional to 286,184.08, 394,919.94 and 157,119.40 is: 216,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,184.08 : 394,919.94 = 157,119.40 : x
  2. Step 2: Convert to fraction form
    286,184.08/394,919.94 = 157,119.40/x
  3. Step 3: Cross multiply
    286,184.08x = 394,919.94 × 157,119.40
  4. Step 4: Simplify right side
    286,184.08x = 62,049,584,020.84
  5. Step 5: Solve for x
    x = 62,049,584,020.84/286,184.08
  6. Step 6: Final answer
    x = 216,817.04

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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.