Home / 283,083.32-390,665.73-162,247.93

Finding the Fourth Proportional to 283,083.32, 390,665.73 and 162,247.93

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Solution

The fourth proportional to 283,083.32, 390,665.73 and 162,247.93 is: 223,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,083.32 : 390,665.73 = 162,247.93 : x
  2. Step 2: Convert to fraction form
    283,083.32/390,665.73 = 162,247.93/x
  3. Step 3: Cross multiply
    283,083.32x = 390,665.73 × 162,247.93
  4. Step 4: Simplify right side
    283,083.32x = 63,384,705,646.20
  5. Step 5: Solve for x
    x = 63,384,705,646.20/283,083.32
  6. Step 6: Final answer
    x = 223,908.30

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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.