Home / 155,887.70-233,247.67-111,012.80

Finding the Fourth Proportional to 155,887.70, 233,247.67 and 111,012.80

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Solution

The fourth proportional to 155,887.70, 233,247.67 and 111,012.80 is: 166,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,887.70 : 233,247.67 = 111,012.80 : x
  2. Step 2: Convert to fraction form
    155,887.70/233,247.67 = 111,012.80/x
  3. Step 3: Cross multiply
    155,887.70x = 233,247.67 × 111,012.80
  4. Step 4: Simplify right side
    155,887.70x = 25,893,476,940.18
  5. Step 5: Solve for x
    x = 25,893,476,940.18/155,887.70
  6. Step 6: Final answer
    x = 166,103.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.