Home / 104,785.03-156,416.77-96,979.06

Finding the Fourth Proportional to 104,785.03, 156,416.77 and 96,979.06

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Solution

The fourth proportional to 104,785.03, 156,416.77 and 96,979.06 is: 144,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.03 : 156,416.77 = 96,979.06 : x
  2. Step 2: Convert to fraction form
    104,785.03/156,416.77 = 96,979.06/x
  3. Step 3: Cross multiply
    104,785.03x = 156,416.77 × 96,979.06
  4. Step 4: Simplify right side
    104,785.03x = 15,169,150,540.75
  5. Step 5: Solve for x
    x = 15,169,150,540.75/104,785.03
  6. Step 6: Final answer
    x = 144,764.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.