Home / 190,776.15-263,270.88-105,893.01

Finding the Fourth Proportional to 190,776.15, 263,270.88 and 105,893.01

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Solution

The fourth proportional to 190,776.15, 263,270.88 and 105,893.01 is: 146,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,776.15 : 263,270.88 = 105,893.01 : x
  2. Step 2: Convert to fraction form
    190,776.15/263,270.88 = 105,893.01/x
  3. Step 3: Cross multiply
    190,776.15x = 263,270.88 × 105,893.01
  4. Step 4: Simplify right side
    190,776.15x = 27,878,545,928.55
  5. Step 5: Solve for x
    x = 27,878,545,928.55/190,776.15
  6. Step 6: Final answer
    x = 146,132.24

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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.