Home / 330,484.41-456,031.47-187,213.77

Finding the Fourth Proportional to 330,484.41, 456,031.47 and 187,213.77

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Solution

The fourth proportional to 330,484.41, 456,031.47 and 187,213.77 is: 258,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,484.41 : 456,031.47 = 187,213.77 : x
  2. Step 2: Convert to fraction form
    330,484.41/456,031.47 = 187,213.77/x
  3. Step 3: Cross multiply
    330,484.41x = 456,031.47 × 187,213.77
  4. Step 4: Simplify right side
    330,484.41x = 85,375,370,737.34
  5. Step 5: Solve for x
    x = 85,375,370,737.34/330,484.41
  6. Step 6: Final answer
    x = 258,334.03

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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.