Home / 190,809.10-263,285.89-110,247.31

Finding the Fourth Proportional to 190,809.10, 263,285.89 and 110,247.31

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Solution

The fourth proportional to 190,809.10, 263,285.89 and 110,247.31 is: 152,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,809.10 : 263,285.89 = 110,247.31 : x
  2. Step 2: Convert to fraction form
    190,809.10/263,285.89 = 110,247.31/x
  3. Step 3: Cross multiply
    190,809.10x = 263,285.89 × 110,247.31
  4. Step 4: Simplify right side
    190,809.10x = 29,026,561,807.09
  5. Step 5: Solve for x
    x = 29,026,561,807.09/190,809.10
  6. Step 6: Final answer
    x = 152,123.57

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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.