Home / 147,742.20-221,301.30-97,846.20

Finding the Fourth Proportional to 147,742.20, 221,301.30 and 97,846.20

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Solution

The fourth proportional to 147,742.20, 221,301.30 and 97,846.20 is: 146,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,742.20 : 221,301.30 = 97,846.20 : x
  2. Step 2: Convert to fraction form
    147,742.20/221,301.30 = 97,846.20/x
  3. Step 3: Cross multiply
    147,742.20x = 221,301.30 × 97,846.20
  4. Step 4: Simplify right side
    147,742.20x = 21,653,491,260.06
  5. Step 5: Solve for x
    x = 21,653,491,260.06/147,742.20
  6. Step 6: Final answer
    x = 146,562.67

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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.