Home / 202,004.52-278,768.20-111,364.04

Finding the Fourth Proportional to 202,004.52, 278,768.20 and 111,364.04

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Solution

The fourth proportional to 202,004.52, 278,768.20 and 111,364.04 is: 153,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,004.52 : 278,768.20 = 111,364.04 : x
  2. Step 2: Convert to fraction form
    202,004.52/278,768.20 = 111,364.04/x
  3. Step 3: Cross multiply
    202,004.52x = 278,768.20 × 111,364.04
  4. Step 4: Simplify right side
    202,004.52x = 31,044,752,975.53
  5. Step 5: Solve for x
    x = 31,044,752,975.53/202,004.52
  6. Step 6: Final answer
    x = 153,683.46

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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.