Home / 202,657.44-279,702-117,823.72

Finding the Fourth Proportional to 202,657.44, 279,702 and 117,823.72

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Solution

The fourth proportional to 202,657.44, 279,702 and 117,823.72 is: 162,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,657.44 : 279,702 = 117,823.72 : x
  2. Step 2: Convert to fraction form
    202,657.44/279,702 = 117,823.72/x
  3. Step 3: Cross multiply
    202,657.44x = 279,702 × 117,823.72
  4. Step 4: Simplify right side
    202,657.44x = 32,955,530,131.44
  5. Step 5: Solve for x
    x = 32,955,530,131.44/202,657.44
  6. Step 6: Final answer
    x = 162,616.93

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1.5x scale

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.