Home / 161,917.74-223,370.22-105,308.46

Finding the Fourth Proportional to 161,917.74, 223,370.22 and 105,308.46

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Solution

The fourth proportional to 161,917.74, 223,370.22 and 105,308.46 is: 145,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,917.74 : 223,370.22 = 105,308.46 : x
  2. Step 2: Convert to fraction form
    161,917.74/223,370.22 = 105,308.46/x
  3. Step 3: Cross multiply
    161,917.74x = 223,370.22 × 105,308.46
  4. Step 4: Simplify right side
    161,917.74x = 23,522,773,878.06
  5. Step 5: Solve for x
    x = 23,522,773,878.06/161,917.74
  6. Step 6: Final answer
    x = 145,276.08

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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.