Home / 149,048.64-223,576.80-43,871.04

Finding the Fourth Proportional to 149,048.64, 223,576.80 and 43,871.04

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Solution

The fourth proportional to 149,048.64, 223,576.80 and 43,871.04 is: 65,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,048.64 : 223,576.80 = 43,871.04 : x
  2. Step 2: Convert to fraction form
    149,048.64/223,576.80 = 43,871.04/x
  3. Step 3: Cross multiply
    149,048.64x = 223,576.80 × 43,871.04
  4. Step 4: Simplify right side
    149,048.64x = 9,808,546,735.87
  5. Step 5: Solve for x
    x = 9,808,546,735.87/149,048.64
  6. Step 6: Final answer
    x = 65,807.69

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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.