Home / 190,695.98-263,159.60-105,812.84

Finding the Fourth Proportional to 190,695.98, 263,159.60 and 105,812.84

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Solution

The fourth proportional to 190,695.98, 263,159.60 and 105,812.84 is: 146,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,695.98 : 263,159.60 = 105,812.84 : x
  2. Step 2: Convert to fraction form
    190,695.98/263,159.60 = 105,812.84/x
  3. Step 3: Cross multiply
    190,695.98x = 263,159.60 × 105,812.84
  4. Step 4: Simplify right side
    190,695.98x = 27,845,664,649.26
  5. Step 5: Solve for x
    x = 27,845,664,649.26/190,695.98
  6. Step 6: Final answer
    x = 146,021.25

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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.