Home / 189,933.12-284,794.48-77,692.15

Finding the Fourth Proportional to 189,933.12, 284,794.48 and 77,692.15

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Solution

The fourth proportional to 189,933.12, 284,794.48 and 77,692.15 is: 116,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,933.12 : 284,794.48 = 77,692.15 : x
  2. Step 2: Convert to fraction form
    189,933.12/284,794.48 = 77,692.15/x
  3. Step 3: Cross multiply
    189,933.12x = 284,794.48 × 77,692.15
  4. Step 4: Simplify right side
    189,933.12x = 22,126,295,459.33
  5. Step 5: Solve for x
    x = 22,126,295,459.33/189,933.12
  6. Step 6: Final answer
    x = 116,495.19

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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.