Home / 149,865.45-224,604.40-112,129.45

Finding the Fourth Proportional to 149,865.45, 224,604.40 and 112,129.45

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Solution

The fourth proportional to 149,865.45, 224,604.40 and 112,129.45 is: 168,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,865.45 : 224,604.40 = 112,129.45 : x
  2. Step 2: Convert to fraction form
    149,865.45/224,604.40 = 112,129.45/x
  3. Step 3: Cross multiply
    149,865.45x = 224,604.40 × 112,129.45
  4. Step 4: Simplify right side
    149,865.45x = 25,184,767,839.58
  5. Step 5: Solve for x
    x = 25,184,767,839.58/149,865.45
  6. Step 6: Final answer
    x = 168,049.19

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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.