Home / 393,160.64-589,741.47-119,609.19

Finding the Fourth Proportional to 393,160.64, 589,741.47 and 119,609.19

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Solution

The fourth proportional to 393,160.64, 589,741.47 and 119,609.19 is: 179,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,160.64 : 589,741.47 = 119,609.19 : x
  2. Step 2: Convert to fraction form
    393,160.64/589,741.47 = 119,609.19/x
  3. Step 3: Cross multiply
    393,160.64x = 589,741.47 × 119,609.19
  4. Step 4: Simplify right side
    393,160.64x = 70,538,499,536.11
  5. Step 5: Solve for x
    x = 70,538,499,536.11/393,160.64
  6. Step 6: Final answer
    x = 179,413.94

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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.