Home / 190,874.63-263,417.93-105,997.16

Finding the Fourth Proportional to 190,874.63, 263,417.93 and 105,997.16

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Solution

The fourth proportional to 190,874.63, 263,417.93 and 105,997.16 is: 146,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,874.63 : 263,417.93 = 105,997.16 : x
  2. Step 2: Convert to fraction form
    190,874.63/263,417.93 = 105,997.16/x
  3. Step 3: Cross multiply
    190,874.63x = 263,417.93 × 105,997.16
  4. Step 4: Simplify right side
    190,874.63x = 27,921,550,626.00
  5. Step 5: Solve for x
    x = 27,921,550,626.00/190,874.63
  6. Step 6: Final answer
    x = 146,282.15

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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.