Home / 356,288.63-491,678.91-192,946.86

Finding the Fourth Proportional to 356,288.63, 491,678.91 and 192,946.86

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Solution

The fourth proportional to 356,288.63, 491,678.91 and 192,946.86 is: 266,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,288.63 : 491,678.91 = 192,946.86 : x
  2. Step 2: Convert to fraction form
    356,288.63/491,678.91 = 192,946.86/x
  3. Step 3: Cross multiply
    356,288.63x = 491,678.91 × 192,946.86
  4. Step 4: Simplify right side
    356,288.63x = 94,867,901,812.72
  5. Step 5: Solve for x
    x = 94,867,901,812.72/356,288.63
  6. Step 6: Final answer
    x = 266,267.00

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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.