Home / 167,984.21-231,801.35-103,443.10

Finding the Fourth Proportional to 167,984.21, 231,801.35 and 103,443.10

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Solution

The fourth proportional to 167,984.21, 231,801.35 and 103,443.10 is: 142,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,984.21 : 231,801.35 = 103,443.10 : x
  2. Step 2: Convert to fraction form
    167,984.21/231,801.35 = 103,443.10/x
  3. Step 3: Cross multiply
    167,984.21x = 231,801.35 × 103,443.10
  4. Step 4: Simplify right side
    167,984.21x = 23,978,249,131.47
  5. Step 5: Solve for x
    x = 23,978,249,131.47/167,984.21
  6. Step 6: Final answer
    x = 142,741.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.