Home / 190,671.02-263,126.04-105,787.88

Finding the Fourth Proportional to 190,671.02, 263,126.04 and 105,787.88

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Solution

The fourth proportional to 190,671.02, 263,126.04 and 105,787.88 is: 145,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,671.02 : 263,126.04 = 105,787.88 : x
  2. Step 2: Convert to fraction form
    190,671.02/263,126.04 = 105,787.88/x
  3. Step 3: Cross multiply
    190,671.02x = 263,126.04 × 105,787.88
  4. Step 4: Simplify right side
    190,671.02x = 27,835,545,944.40
  5. Step 5: Solve for x
    x = 27,835,545,944.40/190,671.02
  6. Step 6: Final answer
    x = 145,987.29

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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.