Home / 330,441.12-456,031.30-187,202.34

Finding the Fourth Proportional to 330,441.12, 456,031.30 and 187,202.34

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Solution

The fourth proportional to 330,441.12, 456,031.30 and 187,202.34 is: 258,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,441.12 : 456,031.30 = 187,202.34 : x
  2. Step 2: Convert to fraction form
    330,441.12/456,031.30 = 187,202.34/x
  3. Step 3: Cross multiply
    330,441.12x = 456,031.30 × 187,202.34
  4. Step 4: Simplify right side
    330,441.12x = 85,370,126,473.24
  5. Step 5: Solve for x
    x = 85,370,126,473.24/330,441.12
  6. Step 6: Final answer
    x = 258,352.01

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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.