Home / 163,959.08-226,411.62-103,636.76

Finding the Fourth Proportional to 163,959.08, 226,411.62 and 103,636.76

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Solution

The fourth proportional to 163,959.08, 226,411.62 and 103,636.76 is: 143,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,959.08 : 226,411.62 = 103,636.76 : x
  2. Step 2: Convert to fraction form
    163,959.08/226,411.62 = 103,636.76/x
  3. Step 3: Cross multiply
    163,959.08x = 226,411.62 × 103,636.76
  4. Step 4: Simplify right side
    163,959.08x = 23,464,566,723.15
  5. Step 5: Solve for x
    x = 23,464,566,723.15/163,959.08
  6. Step 6: Final answer
    x = 143,112.33

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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.