Home / 355,421.25-533,216.12-106,109.73

Finding the Fourth Proportional to 355,421.25, 533,216.12 and 106,109.73

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Solution

The fourth proportional to 355,421.25, 533,216.12 and 106,109.73 is: 159,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,421.25 : 533,216.12 = 106,109.73 : x
  2. Step 2: Convert to fraction form
    355,421.25/533,216.12 = 106,109.73/x
  3. Step 3: Cross multiply
    355,421.25x = 533,216.12 × 106,109.73
  4. Step 4: Simplify right side
    355,421.25x = 56,579,417,994.30
  5. Step 5: Solve for x
    x = 56,579,417,994.30/355,421.25
  6. Step 6: Final answer
    x = 159,189.74

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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.