Home / 330,044.77-455,463.26-186,832.50

Finding the Fourth Proportional to 330,044.77, 455,463.26 and 186,832.50

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Solution

The fourth proportional to 330,044.77, 455,463.26 and 186,832.50 is: 257,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,044.77 : 455,463.26 = 186,832.50 : x
  2. Step 2: Convert to fraction form
    330,044.77/455,463.26 = 186,832.50/x
  3. Step 3: Cross multiply
    330,044.77x = 455,463.26 × 186,832.50
  4. Step 4: Simplify right side
    330,044.77x = 85,095,337,246.63
  5. Step 5: Solve for x
    x = 85,095,337,246.63/330,044.77
  6. Step 6: Final answer
    x = 257,829.68

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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.