Home / 201,672.08-278,296.64-111,010.40

Finding the Fourth Proportional to 201,672.08, 278,296.64 and 111,010.40

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Solution

The fourth proportional to 201,672.08, 278,296.64 and 111,010.40 is: 153,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,672.08 : 278,296.64 = 111,010.40 : x
  2. Step 2: Convert to fraction form
    201,672.08/278,296.64 = 111,010.40/x
  3. Step 3: Cross multiply
    201,672.08x = 278,296.64 × 111,010.40
  4. Step 4: Simplify right side
    201,672.08x = 30,893,821,325.06
  5. Step 5: Solve for x
    x = 30,893,821,325.06/201,672.08
  6. Step 6: Final answer
    x = 153,188.39

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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.