Home / 286,951.44-396,035.08-172,238.16

Finding the Fourth Proportional to 286,951.44, 396,035.08 and 172,238.16

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Solution

The fourth proportional to 286,951.44, 396,035.08 and 172,238.16 is: 237,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,951.44 : 396,035.08 = 172,238.16 : x
  2. Step 2: Convert to fraction form
    286,951.44/396,035.08 = 172,238.16/x
  3. Step 3: Cross multiply
    286,951.44x = 396,035.08 × 172,238.16
  4. Step 4: Simplify right side
    286,951.44x = 68,212,353,474.65
  5. Step 5: Solve for x
    x = 68,212,353,474.65/286,951.44
  6. Step 6: Final answer
    x = 237,713.93

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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.