Home / 286,541.14-395,439.16-159,216.44

Finding the Fourth Proportional to 286,541.14, 395,439.16 and 159,216.44

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Solution

The fourth proportional to 286,541.14, 395,439.16 and 159,216.44 is: 219,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,541.14 : 395,439.16 = 159,216.44 : x
  2. Step 2: Convert to fraction form
    286,541.14/395,439.16 = 159,216.44/x
  3. Step 3: Cross multiply
    286,541.14x = 395,439.16 × 159,216.44
  4. Step 4: Simplify right side
    286,541.14x = 62,960,415,291.79
  5. Step 5: Solve for x
    x = 62,960,415,291.79/286,541.14
  6. Step 6: Final answer
    x = 219,725.57

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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.