Home / 202,016.33-278,777.41-111,370.20

Finding the Fourth Proportional to 202,016.33, 278,777.41 and 111,370.20

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Solution

The fourth proportional to 202,016.33, 278,777.41 and 111,370.20 is: 153,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,016.33 : 278,777.41 = 111,370.20 : x
  2. Step 2: Convert to fraction form
    202,016.33/278,777.41 = 111,370.20/x
  3. Step 3: Cross multiply
    202,016.33x = 278,777.41 × 111,370.20
  4. Step 4: Simplify right side
    202,016.33x = 31,047,495,907.18
  5. Step 5: Solve for x
    x = 31,047,495,907.18/202,016.33
  6. Step 6: Final answer
    x = 153,688.05

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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.