Home / 358,288.06-494,424.93-197,141.80

Finding the Fourth Proportional to 358,288.06, 494,424.93 and 197,141.80

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Solution

The fourth proportional to 358,288.06, 494,424.93 and 197,141.80 is: 272,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,288.06 : 494,424.93 = 197,141.80 : x
  2. Step 2: Convert to fraction form
    358,288.06/494,424.93 = 197,141.80/x
  3. Step 3: Cross multiply
    358,288.06x = 494,424.93 × 197,141.80
  4. Step 4: Simplify right side
    358,288.06x = 97,471,820,665.07
  5. Step 5: Solve for x
    x = 97,471,820,665.07/358,288.06
  6. Step 6: Final answer
    x = 272,048.76

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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.