Home / 330,472.02-456,092.72-187,278.19

Finding the Fourth Proportional to 330,472.02, 456,092.72 and 187,278.19

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Solution

The fourth proportional to 330,472.02, 456,092.72 and 187,278.19 is: 258,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,472.02 : 456,092.72 = 187,278.19 : x
  2. Step 2: Convert to fraction form
    330,472.02/456,092.72 = 187,278.19/x
  3. Step 3: Cross multiply
    330,472.02x = 456,092.72 × 187,278.19
  4. Step 4: Simplify right side
    330,472.02x = 85,416,219,073.78
  5. Step 5: Solve for x
    x = 85,416,219,073.78/330,472.02
  6. Step 6: Final answer
    x = 258,467.33

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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.