Home / 269,721.60-404,582.40-111,933.60

Finding the Fourth Proportional to 269,721.60, 404,582.40 and 111,933.60

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Solution

The fourth proportional to 269,721.60, 404,582.40 and 111,933.60 is: 167,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.60 : 404,582.40 = 111,933.60 : x
  2. Step 2: Convert to fraction form
    269,721.60/404,582.40 = 111,933.60/x
  3. Step 3: Cross multiply
    269,721.60x = 404,582.40 × 111,933.60
  4. Step 4: Simplify right side
    269,721.60x = 45,286,364,528.64
  5. Step 5: Solve for x
    x = 45,286,364,528.64/269,721.60
  6. Step 6: Final answer
    x = 167,900.40

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1.5x scale

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.