Home / 167,984.94-231,802.38-103,443.84

Finding the Fourth Proportional to 167,984.94, 231,802.38 and 103,443.84

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Solution

The fourth proportional to 167,984.94, 231,802.38 and 103,443.84 is: 142,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,984.94 : 231,802.38 = 103,443.84 : x
  2. Step 2: Convert to fraction form
    167,984.94/231,802.38 = 103,443.84/x
  3. Step 3: Cross multiply
    167,984.94x = 231,802.38 × 103,443.84
  4. Step 4: Simplify right side
    167,984.94x = 23,978,528,308.34
  5. Step 5: Solve for x
    x = 23,978,528,308.34/167,984.94
  6. Step 6: Final answer
    x = 142,742.13

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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.