Home / 446,738.40-669,877.20-166,111.20

Finding the Fourth Proportional to 446,738.40, 669,877.20 and 166,111.20

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Solution

The fourth proportional to 446,738.40, 669,877.20 and 166,111.20 is: 249,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,738.40 : 669,877.20 = 166,111.20 : x
  2. Step 2: Convert to fraction form
    446,738.40/669,877.20 = 166,111.20/x
  3. Step 3: Cross multiply
    446,738.40x = 669,877.20 × 166,111.20
  4. Step 4: Simplify right side
    446,738.40x = 111,274,105,544.64
  5. Step 5: Solve for x
    x = 111,274,105,544.64/446,738.40
  6. Step 6: Final answer
    x = 249,081.13

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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.