Home / 112,140.21-168,240.57-37,272.45

Finding the Fourth Proportional to 112,140.21, 168,240.57 and 37,272.45

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Solution

The fourth proportional to 112,140.21, 168,240.57 and 37,272.45 is: 55,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,140.21 : 168,240.57 = 37,272.45 : x
  2. Step 2: Convert to fraction form
    112,140.21/168,240.57 = 37,272.45/x
  3. Step 3: Cross multiply
    112,140.21x = 168,240.57 × 37,272.45
  4. Step 4: Simplify right side
    112,140.21x = 6,270,738,233.30
  5. Step 5: Solve for x
    x = 6,270,738,233.30/112,140.21
  6. Step 6: Final answer
    x = 55,918.73

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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.