Home / 163,780.86-226,022.62-89,194.34

Finding the Fourth Proportional to 163,780.86, 226,022.62 and 89,194.34

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Solution

The fourth proportional to 163,780.86, 226,022.62 and 89,194.34 is: 123,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,780.86 : 226,022.62 = 89,194.34 : x
  2. Step 2: Convert to fraction form
    163,780.86/226,022.62 = 89,194.34/x
  3. Step 3: Cross multiply
    163,780.86x = 226,022.62 × 89,194.34
  4. Step 4: Simplify right side
    163,780.86x = 20,159,937,062.87
  5. Step 5: Solve for x
    x = 20,159,937,062.87/163,780.86
  6. Step 6: Final answer
    x = 123,090.92

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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.