Home / 283,096.30-390,628.28-162,214.34

Finding the Fourth Proportional to 283,096.30, 390,628.28 and 162,214.34

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Solution

The fourth proportional to 283,096.30, 390,628.28 and 162,214.34 is: 223,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,096.30 : 390,628.28 = 162,214.34 : x
  2. Step 2: Convert to fraction form
    283,096.30/390,628.28 = 162,214.34/x
  3. Step 3: Cross multiply
    283,096.30x = 390,628.28 × 162,214.34
  4. Step 4: Simplify right side
    283,096.30x = 63,365,508,625.54
  5. Step 5: Solve for x
    x = 63,365,508,625.54/283,096.30
  6. Step 6: Final answer
    x = 223,830.23

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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.