Home / 190,712.88-263,184.80-105,829.94

Finding the Fourth Proportional to 190,712.88, 263,184.80 and 105,829.94

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Solution

The fourth proportional to 190,712.88, 263,184.80 and 105,829.94 is: 146,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,712.88 : 263,184.80 = 105,829.94 : x
  2. Step 2: Convert to fraction form
    190,712.88/263,184.80 = 105,829.94/x
  3. Step 3: Cross multiply
    190,712.88x = 263,184.80 × 105,829.94
  4. Step 4: Simplify right side
    190,712.88x = 27,852,831,721.72
  5. Step 5: Solve for x
    x = 27,852,831,721.72/190,712.88
  6. Step 6: Final answer
    x = 146,045.89

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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.