Home / 201,922.92-278,655.52-111,282.20

Finding the Fourth Proportional to 201,922.92, 278,655.52 and 111,282.20

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Solution

The fourth proportional to 201,922.92, 278,655.52 and 111,282.20 is: 153,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,922.92 : 278,655.52 = 111,282.20 : x
  2. Step 2: Convert to fraction form
    201,922.92/278,655.52 = 111,282.20/x
  3. Step 3: Cross multiply
    201,922.92x = 278,655.52 × 111,282.20
  4. Step 4: Simplify right side
    201,922.92x = 31,009,397,636.26
  5. Step 5: Solve for x
    x = 31,009,397,636.26/201,922.92
  6. Step 6: Final answer
    x = 153,570.47

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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.