Home / 260,943.93-390,787.74-148,348.67

Finding the Fourth Proportional to 260,943.93, 390,787.74 and 148,348.67

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Solution

The fourth proportional to 260,943.93, 390,787.74 and 148,348.67 is: 222,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,943.93 : 390,787.74 = 148,348.67 : x
  2. Step 2: Convert to fraction form
    260,943.93/390,787.74 = 148,348.67/x
  3. Step 3: Cross multiply
    260,943.93x = 390,787.74 × 148,348.67
  4. Step 4: Simplify right side
    260,943.93x = 57,972,839,527.37
  5. Step 5: Solve for x
    x = 57,972,839,527.37/260,943.93
  6. Step 6: Final answer
    x = 222,165.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.