Home / 147,764.81-221,676.14-52,969.62

Finding the Fourth Proportional to 147,764.81, 221,676.14 and 52,969.62

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Solution

The fourth proportional to 147,764.81, 221,676.14 and 52,969.62 is: 79,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,764.81 : 221,676.14 = 52,969.62 : x
  2. Step 2: Convert to fraction form
    147,764.81/221,676.14 = 52,969.62/x
  3. Step 3: Cross multiply
    147,764.81x = 221,676.14 × 52,969.62
  4. Step 4: Simplify right side
    147,764.81x = 11,742,100,634.02
  5. Step 5: Solve for x
    x = 11,742,100,634.02/147,764.81
  6. Step 6: Final answer
    x = 79,464.80

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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.