Home / 330,119.24-455,575.48-186,876.32

Finding the Fourth Proportional to 330,119.24, 455,575.48 and 186,876.32

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Solution

The fourth proportional to 330,119.24, 455,575.48 and 186,876.32 is: 257,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,119.24 : 455,575.48 = 186,876.32 : x
  2. Step 2: Convert to fraction form
    330,119.24/455,575.48 = 186,876.32/x
  3. Step 3: Cross multiply
    330,119.24x = 455,575.48 × 186,876.32
  4. Step 4: Simplify right side
    330,119.24x = 85,136,269,184.63
  5. Step 5: Solve for x
    x = 85,136,269,184.63/330,119.24
  6. Step 6: Final answer
    x = 257,895.51

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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.