Home / 141,280.56-211,931.69-40,076.88

Finding the Fourth Proportional to 141,280.56, 211,931.69 and 40,076.88

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Solution

The fourth proportional to 141,280.56, 211,931.69 and 40,076.88 is: 60,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,280.56 : 211,931.69 = 40,076.88 : x
  2. Step 2: Convert to fraction form
    141,280.56/211,931.69 = 40,076.88/x
  3. Step 3: Cross multiply
    141,280.56x = 211,931.69 × 40,076.88
  4. Step 4: Simplify right side
    141,280.56x = 8,493,559,648.28
  5. Step 5: Solve for x
    x = 8,493,559,648.28/141,280.56
  6. Step 6: Final answer
    x = 60,118.39

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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.