Home / 326,183.04-489,270.24-89,525.76

Finding the Fourth Proportional to 326,183.04, 489,270.24 and 89,525.76

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Solution

The fourth proportional to 326,183.04, 489,270.24 and 89,525.76 is: 134,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,183.04 : 489,270.24 = 89,525.76 : x
  2. Step 2: Convert to fraction form
    326,183.04/489,270.24 = 89,525.76/x
  3. Step 3: Cross multiply
    326,183.04x = 489,270.24 × 89,525.76
  4. Step 4: Simplify right side
    326,183.04x = 43,802,290,081.38
  5. Step 5: Solve for x
    x = 43,802,290,081.38/326,183.04
  6. Step 6: Final answer
    x = 134,287.45

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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.