Home / 286,574.24-395,469.60-159,247.10

Finding the Fourth Proportional to 286,574.24, 395,469.60 and 159,247.10

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Solution

The fourth proportional to 286,574.24, 395,469.60 and 159,247.10 is: 219,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,574.24 : 395,469.60 = 159,247.10 : x
  2. Step 2: Convert to fraction form
    286,574.24/395,469.60 = 159,247.10/x
  3. Step 3: Cross multiply
    286,574.24x = 395,469.60 × 159,247.10
  4. Step 4: Simplify right side
    286,574.24x = 62,977,386,938.16
  5. Step 5: Solve for x
    x = 62,977,386,938.16/286,574.24
  6. Step 6: Final answer
    x = 219,759.41

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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.