Home / 168,158.86-231,928.01-107,735.16

Finding the Fourth Proportional to 168,158.86, 231,928.01 and 107,735.16

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Solution

The fourth proportional to 168,158.86, 231,928.01 and 107,735.16 is: 148,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,158.86 : 231,928.01 = 107,735.16 : x
  2. Step 2: Convert to fraction form
    168,158.86/231,928.01 = 107,735.16/x
  3. Step 3: Cross multiply
    168,158.86x = 231,928.01 × 107,735.16
  4. Step 4: Simplify right side
    168,158.86x = 24,986,802,000.89
  5. Step 5: Solve for x
    x = 24,986,802,000.89/168,158.86
  6. Step 6: Final answer
    x = 148,590.46

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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.