Home / 144,924.16-199,995.15-80,403.18

Finding the Fourth Proportional to 144,924.16, 199,995.15 and 80,403.18

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Solution

The fourth proportional to 144,924.16, 199,995.15 and 80,403.18 is: 110,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924.16 : 199,995.15 = 80,403.18 : x
  2. Step 2: Convert to fraction form
    144,924.16/199,995.15 = 80,403.18/x
  3. Step 3: Cross multiply
    144,924.16x = 199,995.15 × 80,403.18
  4. Step 4: Simplify right side
    144,924.16x = 16,080,246,044.58
  5. Step 5: Solve for x
    x = 16,080,246,044.58/144,924.16
  6. Step 6: Final answer
    x = 110,956.29

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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.