Home / 190,595.04-263,052.64-105,739.44

Finding the Fourth Proportional to 190,595.04, 263,052.64 and 105,739.44

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Solution

The fourth proportional to 190,595.04, 263,052.64 and 105,739.44 is: 145,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,595.04 : 263,052.64 = 105,739.44 : x
  2. Step 2: Convert to fraction form
    190,595.04/263,052.64 = 105,739.44/x
  3. Step 3: Cross multiply
    190,595.04x = 263,052.64 × 105,739.44
  4. Step 4: Simplify right side
    190,595.04x = 27,815,038,844.12
  5. Step 5: Solve for x
    x = 27,815,038,844.12/190,595.04
  6. Step 6: Final answer
    x = 145,937.89

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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.