Home / 190,812.31-263,248.38-113,270.84

Finding the Fourth Proportional to 190,812.31, 263,248.38 and 113,270.84

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Solution

The fourth proportional to 190,812.31, 263,248.38 and 113,270.84 is: 156,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,812.31 : 263,248.38 = 113,270.84 : x
  2. Step 2: Convert to fraction form
    190,812.31/263,248.38 = 113,270.84/x
  3. Step 3: Cross multiply
    190,812.31x = 263,248.38 × 113,270.84
  4. Step 4: Simplify right side
    190,812.31x = 29,818,364,802.18
  5. Step 5: Solve for x
    x = 29,818,364,802.18/190,812.31
  6. Step 6: Final answer
    x = 156,270.66

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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.