Home / 190,306.86-262,619.45-104,261.66

Finding the Fourth Proportional to 190,306.86, 262,619.45 and 104,261.66

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Solution

The fourth proportional to 190,306.86, 262,619.45 and 104,261.66 is: 143,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,306.86 : 262,619.45 = 104,261.66 : x
  2. Step 2: Convert to fraction form
    190,306.86/262,619.45 = 104,261.66/x
  3. Step 3: Cross multiply
    190,306.86x = 262,619.45 × 104,261.66
  4. Step 4: Simplify right side
    190,306.86x = 27,381,137,970.88
  5. Step 5: Solve for x
    x = 27,381,137,970.88/190,306.86
  6. Step 6: Final answer
    x = 143,878.88

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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.