Home / 163,418.01-225,539.55-91,803.48

Finding the Fourth Proportional to 163,418.01, 225,539.55 and 91,803.48

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Solution

The fourth proportional to 163,418.01, 225,539.55 and 91,803.48 is: 126,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,418.01 : 225,539.55 = 91,803.48 : x
  2. Step 2: Convert to fraction form
    163,418.01/225,539.55 = 91,803.48/x
  3. Step 3: Cross multiply
    163,418.01x = 225,539.55 × 91,803.48
  4. Step 4: Simplify right side
    163,418.01x = 20,705,315,567.63
  5. Step 5: Solve for x
    x = 20,705,315,567.63/163,418.01
  6. Step 6: Final answer
    x = 126,701.55

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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.