Home / 189,002.46-283,615.32-69,048.75

Finding the Fourth Proportional to 189,002.46, 283,615.32 and 69,048.75

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Solution

The fourth proportional to 189,002.46, 283,615.32 and 69,048.75 is: 103,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,002.46 : 283,615.32 = 69,048.75 : x
  2. Step 2: Convert to fraction form
    189,002.46/283,615.32 = 69,048.75/x
  3. Step 3: Cross multiply
    189,002.46x = 283,615.32 × 69,048.75
  4. Step 4: Simplify right side
    189,002.46x = 19,583,284,649.34
  5. Step 5: Solve for x
    x = 19,583,284,649.34/189,002.46
  6. Step 6: Final answer
    x = 103,613.91

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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.