Home / 190,942.98-263,572.32-163,977.30

Finding the Fourth Proportional to 190,942.98, 263,572.32 and 163,977.30

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Solution

The fourth proportional to 190,942.98, 263,572.32 and 163,977.30 is: 226,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,942.98 : 263,572.32 = 163,977.30 : x
  2. Step 2: Convert to fraction form
    190,942.98/263,572.32 = 163,977.30/x
  3. Step 3: Cross multiply
    190,942.98x = 263,572.32 × 163,977.30
  4. Step 4: Simplify right side
    190,942.98x = 43,219,877,388.34
  5. Step 5: Solve for x
    x = 43,219,877,388.34/190,942.98
  6. Step 6: Final answer
    x = 226,349.65

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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.