Home / 165,698.02-228,663.72-90,246.52

Finding the Fourth Proportional to 165,698.02, 228,663.72 and 90,246.52

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Solution

The fourth proportional to 165,698.02, 228,663.72 and 90,246.52 is: 124,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,698.02 : 228,663.72 = 90,246.52 : x
  2. Step 2: Convert to fraction form
    165,698.02/228,663.72 = 90,246.52/x
  3. Step 3: Cross multiply
    165,698.02x = 228,663.72 × 90,246.52
  4. Step 4: Simplify right side
    165,698.02x = 20,636,104,980.25
  5. Step 5: Solve for x
    x = 20,636,104,980.25/165,698.02
  6. Step 6: Final answer
    x = 124,540.44

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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.