Home / 190,373.22-262,780.88-109,832.81

Finding the Fourth Proportional to 190,373.22, 262,780.88 and 109,832.81

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Solution

The fourth proportional to 190,373.22, 262,780.88 and 109,832.81 is: 151,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,373.22 : 262,780.88 = 109,832.81 : x
  2. Step 2: Convert to fraction form
    190,373.22/262,780.88 = 109,832.81/x
  3. Step 3: Cross multiply
    190,373.22x = 262,780.88 × 109,832.81
  4. Step 4: Simplify right side
    190,373.22x = 28,861,960,601.60
  5. Step 5: Solve for x
    x = 28,861,960,601.60/190,373.22
  6. Step 6: Final answer
    x = 151,607.25

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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.