Home / 202,003.60-278,752.44-111,360.36

Finding the Fourth Proportional to 202,003.60, 278,752.44 and 111,360.36

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Solution

The fourth proportional to 202,003.60, 278,752.44 and 111,360.36 is: 153,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,003.60 : 278,752.44 = 111,360.36 : x
  2. Step 2: Convert to fraction form
    202,003.60/278,752.44 = 111,360.36/x
  3. Step 3: Cross multiply
    202,003.60x = 278,752.44 × 111,360.36
  4. Step 4: Simplify right side
    202,003.60x = 31,041,972,069.28
  5. Step 5: Solve for x
    x = 31,041,972,069.28/202,003.60
  6. Step 6: Final answer
    x = 153,670.39

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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.