Home / 304,867.83-420,683.57-168,868.04

Finding the Fourth Proportional to 304,867.83, 420,683.57 and 168,868.04

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Solution

The fourth proportional to 304,867.83, 420,683.57 and 168,868.04 is: 233,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,867.83 : 420,683.57 = 168,868.04 : x
  2. Step 2: Convert to fraction form
    304,867.83/420,683.57 = 168,868.04/x
  3. Step 3: Cross multiply
    304,867.83x = 420,683.57 × 168,868.04
  4. Step 4: Simplify right side
    304,867.83x = 71,040,010,927.83
  5. Step 5: Solve for x
    x = 71,040,010,927.83/304,867.83
  6. Step 6: Final answer
    x = 233,019.04

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1.5x scale

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.