Home / 167,550.60-251,370.45-72,740.10

Finding the Fourth Proportional to 167,550.60, 251,370.45 and 72,740.10

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Solution

The fourth proportional to 167,550.60, 251,370.45 and 72,740.10 is: 109,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,550.60 : 251,370.45 = 72,740.10 : x
  2. Step 2: Convert to fraction form
    167,550.60/251,370.45 = 72,740.10/x
  3. Step 3: Cross multiply
    167,550.60x = 251,370.45 × 72,740.10
  4. Step 4: Simplify right side
    167,550.60x = 18,284,711,670.05
  5. Step 5: Solve for x
    x = 18,284,711,670.05/167,550.60
  6. Step 6: Final answer
    x = 109,129.49

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1.5x scale

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.