Home / 165,920.02-228,969.85-90,468.52

Finding the Fourth Proportional to 165,920.02, 228,969.85 and 90,468.52

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Solution

The fourth proportional to 165,920.02, 228,969.85 and 90,468.52 is: 124,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920.02 : 228,969.85 = 90,468.52 : x
  2. Step 2: Convert to fraction form
    165,920.02/228,969.85 = 90,468.52/x
  3. Step 3: Cross multiply
    165,920.02x = 228,969.85 × 90,468.52
  4. Step 4: Simplify right side
    165,920.02x = 20,714,562,994.78
  5. Step 5: Solve for x
    x = 20,714,562,994.78/165,920.02
  6. Step 6: Final answer
    x = 124,846.68

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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.