Home / 163,154.88-225,232.84-109,420.24

Finding the Fourth Proportional to 163,154.88, 225,232.84 and 109,420.24

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Solution

The fourth proportional to 163,154.88, 225,232.84 and 109,420.24 is: 151,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,154.88 : 225,232.84 = 109,420.24 : x
  2. Step 2: Convert to fraction form
    163,154.88/225,232.84 = 109,420.24/x
  3. Step 3: Cross multiply
    163,154.88x = 225,232.84 × 109,420.24
  4. Step 4: Simplify right side
    163,154.88x = 24,645,031,408.68
  5. Step 5: Solve for x
    x = 24,645,031,408.68/163,154.88
  6. Step 6: Final answer
    x = 151,052.98

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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.