Home / 190,838.40-263,357.28-105,953.28

Finding the Fourth Proportional to 190,838.40, 263,357.28 and 105,953.28

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Solution

The fourth proportional to 190,838.40, 263,357.28 and 105,953.28 is: 146,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,838.40 : 263,357.28 = 105,953.28 : x
  2. Step 2: Convert to fraction form
    190,838.40/263,357.28 = 105,953.28/x
  3. Step 3: Cross multiply
    190,838.40x = 263,357.28 × 105,953.28
  4. Step 4: Simplify right side
    190,838.40x = 27,903,567,627.88
  5. Step 5: Solve for x
    x = 27,903,567,627.88/190,838.40
  6. Step 6: Final answer
    x = 146,215.69

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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.