Home / 190,989.23-263,549.71-110,421.95

Finding the Fourth Proportional to 190,989.23, 263,549.71 and 110,421.95

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Solution

The fourth proportional to 190,989.23, 263,549.71 and 110,421.95 is: 152,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,989.23 : 263,549.71 = 110,421.95 : x
  2. Step 2: Convert to fraction form
    190,989.23/263,549.71 = 110,421.95/x
  3. Step 3: Cross multiply
    190,989.23x = 263,549.71 × 110,421.95
  4. Step 4: Simplify right side
    190,989.23x = 29,101,672,708.72
  5. Step 5: Solve for x
    x = 29,101,672,708.72/190,989.23
  6. Step 6: Final answer
    x = 152,373.37

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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.