Home / 112,160.33-168,272.27-45,648.20

Finding the Fourth Proportional to 112,160.33, 168,272.27 and 45,648.20

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Solution

The fourth proportional to 112,160.33, 168,272.27 and 45,648.20 is: 68,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,160.33 : 168,272.27 = 45,648.20 : x
  2. Step 2: Convert to fraction form
    112,160.33/168,272.27 = 45,648.20/x
  3. Step 3: Cross multiply
    112,160.33x = 168,272.27 × 45,648.20
  4. Step 4: Simplify right side
    112,160.33x = 7,681,325,165.81
  5. Step 5: Solve for x
    x = 7,681,325,165.81/112,160.33
  6. Step 6: Final answer
    x = 68,485.23

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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.