Home / 281,669.40-422,567.28-104,182.20

Finding the Fourth Proportional to 281,669.40, 422,567.28 and 104,182.20

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Solution

The fourth proportional to 281,669.40, 422,567.28 and 104,182.20 is: 156,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,669.40 : 422,567.28 = 104,182.20 : x
  2. Step 2: Convert to fraction form
    281,669.40/422,567.28 = 104,182.20/x
  3. Step 3: Cross multiply
    281,669.40x = 422,567.28 × 104,182.20
  4. Step 4: Simplify right side
    281,669.40x = 44,023,988,878.42
  5. Step 5: Solve for x
    x = 44,023,988,878.42/281,669.40
  6. Step 6: Final answer
    x = 156,296.67

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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.