Home / 145,962.72-218,549.16-75,694.32

Finding the Fourth Proportional to 145,962.72, 218,549.16 and 75,694.32

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Solution

The fourth proportional to 145,962.72, 218,549.16 and 75,694.32 is: 113,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,962.72 : 218,549.16 = 75,694.32 : x
  2. Step 2: Convert to fraction form
    145,962.72/218,549.16 = 75,694.32/x
  3. Step 3: Cross multiply
    145,962.72x = 218,549.16 × 75,694.32
  4. Step 4: Simplify right side
    145,962.72x = 16,542,930,052.77
  5. Step 5: Solve for x
    x = 16,542,930,052.77/145,962.72
  6. Step 6: Final answer
    x = 113,336.68

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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.