Home / 152,066.58-228,021.99-81,029.70

Finding the Fourth Proportional to 152,066.58, 228,021.99 and 81,029.70

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Solution

The fourth proportional to 152,066.58, 228,021.99 and 81,029.70 is: 121,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,066.58 : 228,021.99 = 81,029.70 : x
  2. Step 2: Convert to fraction form
    152,066.58/228,021.99 = 81,029.70/x
  3. Step 3: Cross multiply
    152,066.58x = 228,021.99 × 81,029.70
  4. Step 4: Simplify right side
    152,066.58x = 18,476,553,443.10
  5. Step 5: Solve for x
    x = 18,476,553,443.10/152,066.58
  6. Step 6: Final answer
    x = 121,503.05

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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.