Home / 141,318.10-211,644.78-66,276.46

Finding the Fourth Proportional to 141,318.10, 211,644.78 and 66,276.46

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Solution

The fourth proportional to 141,318.10, 211,644.78 and 66,276.46 is: 99,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,318.10 : 211,644.78 = 66,276.46 : x
  2. Step 2: Convert to fraction form
    141,318.10/211,644.78 = 66,276.46/x
  3. Step 3: Cross multiply
    141,318.10x = 211,644.78 × 66,276.46
  4. Step 4: Simplify right side
    141,318.10x = 14,027,066,795.88
  5. Step 5: Solve for x
    x = 14,027,066,795.88/141,318.10
  6. Step 6: Final answer
    x = 99,258.81

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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.