Home / 165,829.08-228,881.04-105,387.92

Finding the Fourth Proportional to 165,829.08, 228,881.04 and 105,387.92

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Solution

The fourth proportional to 165,829.08, 228,881.04 and 105,387.92 is: 145,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,829.08 : 228,881.04 = 105,387.92 : x
  2. Step 2: Convert to fraction form
    165,829.08/228,881.04 = 105,387.92/x
  3. Step 3: Cross multiply
    165,829.08x = 228,881.04 × 105,387.92
  4. Step 4: Simplify right side
    165,829.08x = 24,121,296,733.04
  5. Step 5: Solve for x
    x = 24,121,296,733.04/165,829.08
  6. Step 6: Final answer
    x = 145,458.79

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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.