Home / 190,127.60-262,399.54-108,475.96

Finding the Fourth Proportional to 190,127.60, 262,399.54 and 108,475.96

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Solution

The fourth proportional to 190,127.60, 262,399.54 and 108,475.96 is: 149,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,127.60 : 262,399.54 = 108,475.96 : x
  2. Step 2: Convert to fraction form
    190,127.60/262,399.54 = 108,475.96/x
  3. Step 3: Cross multiply
    190,127.60x = 262,399.54 × 108,475.96
  4. Step 4: Simplify right side
    190,127.60x = 28,464,040,421.87
  5. Step 5: Solve for x
    x = 28,464,040,421.87/190,127.60
  6. Step 6: Final answer
    x = 149,710.20

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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.