Home / 163,445.64-225,542.84-91,837.59

Finding the Fourth Proportional to 163,445.64, 225,542.84 and 91,837.59

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Solution

The fourth proportional to 163,445.64, 225,542.84 and 91,837.59 is: 126,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,445.64 : 225,542.84 = 91,837.59 : x
  2. Step 2: Convert to fraction form
    163,445.64/225,542.84 = 91,837.59/x
  3. Step 3: Cross multiply
    163,445.64x = 225,542.84 × 91,837.59
  4. Step 4: Simplify right side
    163,445.64x = 20,713,310,408.17
  5. Step 5: Solve for x
    x = 20,713,310,408.17/163,445.64
  6. Step 6: Final answer
    x = 126,729.05

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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.