Home / 189,544.40-283,942.20-123,030.80

Finding the Fourth Proportional to 189,544.40, 283,942.20 and 123,030.80

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Solution

The fourth proportional to 189,544.40, 283,942.20 and 123,030.80 is: 184,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,544.40 : 283,942.20 = 123,030.80 : x
  2. Step 2: Convert to fraction form
    189,544.40/283,942.20 = 123,030.80/x
  3. Step 3: Cross multiply
    189,544.40x = 283,942.20 × 123,030.80
  4. Step 4: Simplify right side
    189,544.40x = 34,933,636,019.76
  5. Step 5: Solve for x
    x = 34,933,636,019.76/189,544.40
  6. Step 6: Final answer
    x = 184,303.18

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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.