Home / 119,153.09-178,729.52-30,406.59

Finding the Fourth Proportional to 119,153.09, 178,729.52 and 30,406.59

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Solution

The fourth proportional to 119,153.09, 178,729.52 and 30,406.59 is: 45,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,153.09 : 178,729.52 = 30,406.59 : x
  2. Step 2: Convert to fraction form
    119,153.09/178,729.52 = 30,406.59/x
  3. Step 3: Cross multiply
    119,153.09x = 178,729.52 × 30,406.59
  4. Step 4: Simplify right side
    119,153.09x = 5,434,555,235.54
  5. Step 5: Solve for x
    x = 5,434,555,235.54/119,153.09
  6. Step 6: Final answer
    x = 45,609.86

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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.