Home / 329,828.55-455,164.27-178,925.55

Finding the Fourth Proportional to 329,828.55, 455,164.27 and 178,925.55

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Solution

The fourth proportional to 329,828.55, 455,164.27 and 178,925.55 is: 246,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,828.55 : 455,164.27 = 178,925.55 : x
  2. Step 2: Convert to fraction form
    329,828.55/455,164.27 = 178,925.55/x
  3. Step 3: Cross multiply
    329,828.55x = 455,164.27 × 178,925.55
  4. Step 4: Simplify right side
    329,828.55x = 81,440,517,350.10
  5. Step 5: Solve for x
    x = 81,440,517,350.10/329,828.55
  6. Step 6: Final answer
    x = 246,917.73

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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.