Home / 154,074.51-230,793.39-90,699.35

Finding the Fourth Proportional to 154,074.51, 230,793.39 and 90,699.35

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Solution

The fourth proportional to 154,074.51, 230,793.39 and 90,699.35 is: 135,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,074.51 : 230,793.39 = 90,699.35 : x
  2. Step 2: Convert to fraction form
    154,074.51/230,793.39 = 90,699.35/x
  3. Step 3: Cross multiply
    154,074.51x = 230,793.39 × 90,699.35
  4. Step 4: Simplify right side
    154,074.51x = 20,932,809,303.33
  5. Step 5: Solve for x
    x = 20,932,809,303.33/154,074.51
  6. Step 6: Final answer
    x = 135,861.60

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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.