Home / 190,016.18-262,218.87-105,133.24

Finding the Fourth Proportional to 190,016.18, 262,218.87 and 105,133.24

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Solution

The fourth proportional to 190,016.18, 262,218.87 and 105,133.24 is: 145,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,016.18 : 262,218.87 = 105,133.24 : x
  2. Step 2: Convert to fraction form
    190,016.18/262,218.87 = 105,133.24/x
  3. Step 3: Cross multiply
    190,016.18x = 262,218.87 × 105,133.24
  4. Step 4: Simplify right side
    190,016.18x = 27,567,919,720.01
  5. Step 5: Solve for x
    x = 27,567,919,720.01/190,016.18
  6. Step 6: Final answer
    x = 145,081.96

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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.