Home / 268,969.66-371,178.09-148,110.65

Finding the Fourth Proportional to 268,969.66, 371,178.09 and 148,110.65

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Solution

The fourth proportional to 268,969.66, 371,178.09 and 148,110.65 is: 204,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,969.66 : 371,178.09 = 148,110.65 : x
  2. Step 2: Convert to fraction form
    268,969.66/371,178.09 = 148,110.65/x
  3. Step 3: Cross multiply
    268,969.66x = 371,178.09 × 148,110.65
  4. Step 4: Simplify right side
    268,969.66x = 54,975,426,690.04
  5. Step 5: Solve for x
    x = 54,975,426,690.04/268,969.66
  6. Step 6: Final answer
    x = 204,392.67

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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.