Home / 330,346.59-455,870.64-192,516.73

Finding the Fourth Proportional to 330,346.59, 455,870.64 and 192,516.73

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Solution

The fourth proportional to 330,346.59, 455,870.64 and 192,516.73 is: 265,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,346.59 : 455,870.64 = 192,516.73 : x
  2. Step 2: Convert to fraction form
    330,346.59/455,870.64 = 192,516.73/x
  3. Step 3: Cross multiply
    330,346.59x = 455,870.64 × 192,516.73
  4. Step 4: Simplify right side
    330,346.59x = 87,762,724,915.81
  5. Step 5: Solve for x
    x = 87,762,724,915.81/330,346.59
  6. Step 6: Final answer
    x = 265,668.63

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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.