Home / 144,867.86-199,926.06-81,226.16

Finding the Fourth Proportional to 144,867.86, 199,926.06 and 81,226.16

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Solution

The fourth proportional to 144,867.86, 199,926.06 and 81,226.16 is: 112,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.86 : 199,926.06 = 81,226.16 : x
  2. Step 2: Convert to fraction form
    144,867.86/199,926.06 = 81,226.16/x
  3. Step 3: Cross multiply
    144,867.86x = 199,926.06 × 81,226.16
  4. Step 4: Simplify right side
    144,867.86x = 16,239,226,137.73
  5. Step 5: Solve for x
    x = 16,239,226,137.73/144,867.86
  6. Step 6: Final answer
    x = 112,096.82

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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.