Home / 163,972.41-226,291.65-100,322.52

Finding the Fourth Proportional to 163,972.41, 226,291.65 and 100,322.52

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Solution

The fourth proportional to 163,972.41, 226,291.65 and 100,322.52 is: 138,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,972.41 : 226,291.65 = 100,322.52 : x
  2. Step 2: Convert to fraction form
    163,972.41/226,291.65 = 100,322.52/x
  3. Step 3: Cross multiply
    163,972.41x = 226,291.65 × 100,322.52
  4. Step 4: Simplify right side
    163,972.41x = 22,702,148,582.96
  5. Step 5: Solve for x
    x = 22,702,148,582.96/163,972.41
  6. Step 6: Final answer
    x = 138,451.03

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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.