Home / 330,068.64-455,496.26-186,856.42

Finding the Fourth Proportional to 330,068.64, 455,496.26 and 186,856.42

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Solution

The fourth proportional to 330,068.64, 455,496.26 and 186,856.42 is: 257,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,068.64 : 455,496.26 = 186,856.42 : x
  2. Step 2: Convert to fraction form
    330,068.64/455,496.26 = 186,856.42/x
  3. Step 3: Cross multiply
    330,068.64x = 455,496.26 × 186,856.42
  4. Step 4: Simplify right side
    330,068.64x = 85,112,400,466.99
  5. Step 5: Solve for x
    x = 85,112,400,466.99/330,068.64
  6. Step 6: Final answer
    x = 257,862.73

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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.