Home / 170,733.60-235,502.40-103,665.60

Finding the Fourth Proportional to 170,733.60, 235,502.40 and 103,665.60

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Solution

The fourth proportional to 170,733.60, 235,502.40 and 103,665.60 is: 142,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,733.60 : 235,502.40 = 103,665.60 : x
  2. Step 2: Convert to fraction form
    170,733.60/235,502.40 = 103,665.60/x
  3. Step 3: Cross multiply
    170,733.60x = 235,502.40 × 103,665.60
  4. Step 4: Simplify right side
    170,733.60x = 24,413,497,597.44
  5. Step 5: Solve for x
    x = 24,413,497,597.44/170,733.60
  6. Step 6: Final answer
    x = 142,991.76

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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.