Home / 375,284.12-562,921.14-90,977.12

Finding the Fourth Proportional to 375,284.12, 562,921.14 and 90,977.12

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Solution

The fourth proportional to 375,284.12, 562,921.14 and 90,977.12 is: 136,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,284.12 : 562,921.14 = 90,977.12 : x
  2. Step 2: Convert to fraction form
    375,284.12/562,921.14 = 90,977.12/x
  3. Step 3: Cross multiply
    375,284.12x = 562,921.14 × 90,977.12
  4. Step 4: Simplify right side
    375,284.12x = 51,212,945,056.73
  5. Step 5: Solve for x
    x = 51,212,945,056.73/375,284.12
  6. Step 6: Final answer
    x = 136,464.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.