Home / 330,044.99-455,384.03-186,805.04

Finding the Fourth Proportional to 330,044.99, 455,384.03 and 186,805.04

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Solution

The fourth proportional to 330,044.99, 455,384.03 and 186,805.04 is: 257,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,044.99 : 455,384.03 = 186,805.04 : x
  2. Step 2: Convert to fraction form
    330,044.99/455,384.03 = 186,805.04/x
  3. Step 3: Cross multiply
    330,044.99x = 455,384.03 × 186,805.04
  4. Step 4: Simplify right side
    330,044.99x = 85,068,028,728.57
  5. Step 5: Solve for x
    x = 85,068,028,728.57/330,044.99
  6. Step 6: Final answer
    x = 257,746.77

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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.