Home / 144,332.48-199,175.40-80,676.20

Finding the Fourth Proportional to 144,332.48, 199,175.40 and 80,676.20

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Solution

The fourth proportional to 144,332.48, 199,175.40 and 80,676.20 is: 111,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,332.48 : 199,175.40 = 80,676.20 : x
  2. Step 2: Convert to fraction form
    144,332.48/199,175.40 = 80,676.20/x
  3. Step 3: Cross multiply
    144,332.48x = 199,175.40 × 80,676.20
  4. Step 4: Simplify right side
    144,332.48x = 16,068,714,405.48
  5. Step 5: Solve for x
    x = 16,068,714,405.48/144,332.48
  6. Step 6: Final answer
    x = 111,331.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.