Home / 667,515.03-1,001,272.74-162,076.65

Finding the Fourth Proportional to 667,515.03, 1,001,272.74 and 162,076.65

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Solution

The fourth proportional to 667,515.03, 1,001,272.74 and 162,076.65 is: 243,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,515.03 : 1,001,272.74 = 162,076.65 : x
  2. Step 2: Convert to fraction form
    667,515.03/1,001,272.74 = 162,076.65/x
  3. Step 3: Cross multiply
    667,515.03x = 1,001,272.74 × 162,076.65
  4. Step 4: Simplify right side
    667,515.03x = 162,282,931,435.52
  5. Step 5: Solve for x
    x = 162,282,931,435.52/667,515.03
  6. Step 6: Final answer
    x = 243,115.02

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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.