Home / 165,886.80-228,920.04-102,222.48

Finding the Fourth Proportional to 165,886.80, 228,920.04 and 102,222.48

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Solution

The fourth proportional to 165,886.80, 228,920.04 and 102,222.48 is: 141,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,886.80 : 228,920.04 = 102,222.48 : x
  2. Step 2: Convert to fraction form
    165,886.80/228,920.04 = 102,222.48/x
  3. Step 3: Cross multiply
    165,886.80x = 228,920.04 × 102,222.48
  4. Step 4: Simplify right side
    165,886.80x = 23,400,774,210.50
  5. Step 5: Solve for x
    x = 23,400,774,210.50/165,886.80
  6. Step 6: Final answer
    x = 141,064.72

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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.