Home / 192,699.24-289,068.30-66,322.85

Finding the Fourth Proportional to 192,699.24, 289,068.30 and 66,322.85

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Solution

The fourth proportional to 192,699.24, 289,068.30 and 66,322.85 is: 99,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,699.24 : 289,068.30 = 66,322.85 : x
  2. Step 2: Convert to fraction form
    192,699.24/289,068.30 = 66,322.85/x
  3. Step 3: Cross multiply
    192,699.24x = 289,068.30 × 66,322.85
  4. Step 4: Simplify right side
    192,699.24x = 19,171,832,603.48
  5. Step 5: Solve for x
    x = 19,171,832,603.48/192,699.24
  6. Step 6: Final answer
    x = 99,490.96

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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.