Home / 190,198.56-262,468.08-104,153.76

Finding the Fourth Proportional to 190,198.56, 262,468.08 and 104,153.76

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Solution

The fourth proportional to 190,198.56, 262,468.08 and 104,153.76 is: 143,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,198.56 : 262,468.08 = 104,153.76 : x
  2. Step 2: Convert to fraction form
    190,198.56/262,468.08 = 104,153.76/x
  3. Step 3: Cross multiply
    190,198.56x = 262,468.08 × 104,153.76
  4. Step 4: Simplify right side
    190,198.56x = 27,337,037,411.98
  5. Step 5: Solve for x
    x = 27,337,037,411.98/190,198.56
  6. Step 6: Final answer
    x = 143,728.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.