Home / 167,499.60-231,148.36-91,018.32

Finding the Fourth Proportional to 167,499.60, 231,148.36 and 91,018.32

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Solution

The fourth proportional to 167,499.60, 231,148.36 and 91,018.32 is: 125,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,499.60 : 231,148.36 = 91,018.32 : x
  2. Step 2: Convert to fraction form
    167,499.60/231,148.36 = 91,018.32/x
  3. Step 3: Cross multiply
    167,499.60x = 231,148.36 × 91,018.32
  4. Step 4: Simplify right side
    167,499.60x = 21,038,735,397.96
  5. Step 5: Solve for x
    x = 21,038,735,397.96/167,499.60
  6. Step 6: Final answer
    x = 125,604.69

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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.