Home / 284,538.12-392,206.50-192,628.44

Finding the Fourth Proportional to 284,538.12, 392,206.50 and 192,628.44

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Solution

The fourth proportional to 284,538.12, 392,206.50 and 192,628.44 is: 265,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,538.12 : 392,206.50 = 192,628.44 : x
  2. Step 2: Convert to fraction form
    284,538.12/392,206.50 = 192,628.44/x
  3. Step 3: Cross multiply
    284,538.12x = 392,206.50 × 192,628.44
  4. Step 4: Simplify right side
    284,538.12x = 75,550,126,252.86
  5. Step 5: Solve for x
    x = 75,550,126,252.86/284,538.12
  6. Step 6: Final answer
    x = 265,518.47

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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.