Home / 202,009.16-278,765.46-110,126.54

Finding the Fourth Proportional to 202,009.16, 278,765.46 and 110,126.54

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Solution

The fourth proportional to 202,009.16, 278,765.46 and 110,126.54 is: 151,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,009.16 : 278,765.46 = 110,126.54 : x
  2. Step 2: Convert to fraction form
    202,009.16/278,765.46 = 110,126.54/x
  3. Step 3: Cross multiply
    202,009.16x = 278,765.46 × 110,126.54
  4. Step 4: Simplify right side
    202,009.16x = 30,699,475,030.68
  5. Step 5: Solve for x
    x = 30,699,475,030.68/202,009.16
  6. Step 6: Final answer
    x = 151,970.71

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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.