Home / 190,009.44-285,234.88-111,180.16

Finding the Fourth Proportional to 190,009.44, 285,234.88 and 111,180.16

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Solution

The fourth proportional to 190,009.44, 285,234.88 and 111,180.16 is: 166,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,009.44 : 285,234.88 = 111,180.16 : x
  2. Step 2: Convert to fraction form
    190,009.44/285,234.88 = 111,180.16/x
  3. Step 3: Cross multiply
    190,009.44x = 285,234.88 × 111,180.16
  4. Step 4: Simplify right side
    190,009.44x = 31,712,459,595.98
  5. Step 5: Solve for x
    x = 31,712,459,595.98/190,009.44
  6. Step 6: Final answer
    x = 166,899.39

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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.