Home / 149,931.63-224,759.04-74,986.56

Finding the Fourth Proportional to 149,931.63, 224,759.04 and 74,986.56

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Solution

The fourth proportional to 149,931.63, 224,759.04 and 74,986.56 is: 112,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,931.63 : 224,759.04 = 74,986.56 : x
  2. Step 2: Convert to fraction form
    149,931.63/224,759.04 = 74,986.56/x
  3. Step 3: Cross multiply
    149,931.63x = 224,759.04 × 74,986.56
  4. Step 4: Simplify right side
    149,931.63x = 16,853,907,238.50
  5. Step 5: Solve for x
    x = 16,853,907,238.50/149,931.63
  6. Step 6: Final answer
    x = 112,410.62

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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.