Home / 429,962.37-645,202.77-149,676.45

Finding the Fourth Proportional to 429,962.37, 645,202.77 and 149,676.45

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Solution

The fourth proportional to 429,962.37, 645,202.77 and 149,676.45 is: 224,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,962.37 : 645,202.77 = 149,676.45 : x
  2. Step 2: Convert to fraction form
    429,962.37/645,202.77 = 149,676.45/x
  3. Step 3: Cross multiply
    429,962.37x = 645,202.77 × 149,676.45
  4. Step 4: Simplify right side
    429,962.37x = 96,571,660,143.77
  5. Step 5: Solve for x
    x = 96,571,660,143.77/429,962.37
  6. Step 6: Final answer
    x = 224,604.91

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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.