Home / 286,718.58-395,680.23-157,650.36

Finding the Fourth Proportional to 286,718.58, 395,680.23 and 157,650.36

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Solution

The fourth proportional to 286,718.58, 395,680.23 and 157,650.36 is: 217,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,718.58 : 395,680.23 = 157,650.36 : x
  2. Step 2: Convert to fraction form
    286,718.58/395,680.23 = 157,650.36/x
  3. Step 3: Cross multiply
    286,718.58x = 395,680.23 × 157,650.36
  4. Step 4: Simplify right side
    286,718.58x = 62,379,130,704.38
  5. Step 5: Solve for x
    x = 62,379,130,704.38/286,718.58
  6. Step 6: Final answer
    x = 217,562.22

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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.