Home / 150,255.20-225,507.95-79,203.35

Finding the Fourth Proportional to 150,255.20, 225,507.95 and 79,203.35

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Solution

The fourth proportional to 150,255.20, 225,507.95 and 79,203.35 is: 118,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,255.20 : 225,507.95 = 79,203.35 : x
  2. Step 2: Convert to fraction form
    150,255.20/225,507.95 = 79,203.35/x
  3. Step 3: Cross multiply
    150,255.20x = 225,507.95 × 79,203.35
  4. Step 4: Simplify right side
    150,255.20x = 17,860,985,091.63
  5. Step 5: Solve for x
    x = 17,860,985,091.63/150,255.20
  6. Step 6: Final answer
    x = 118,870.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.