Home / 112,018.40-168,027.60-103,464.80

Finding the Fourth Proportional to 112,018.40, 168,027.60 and 103,464.80

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Solution

The fourth proportional to 112,018.40, 168,027.60 and 103,464.80 is: 155,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,018.40 : 168,027.60 = 103,464.80 : x
  2. Step 2: Convert to fraction form
    112,018.40/168,027.60 = 103,464.80/x
  3. Step 3: Cross multiply
    112,018.40x = 168,027.60 × 103,464.80
  4. Step 4: Simplify right side
    112,018.40x = 17,384,942,028.48
  5. Step 5: Solve for x
    x = 17,384,942,028.48/112,018.40
  6. Step 6: Final answer
    x = 155,197.20

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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.