Home / 357,215.73-492,964.07-196,085.76

Finding the Fourth Proportional to 357,215.73, 492,964.07 and 196,085.76

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Solution

The fourth proportional to 357,215.73, 492,964.07 and 196,085.76 is: 270,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,215.73 : 492,964.07 = 196,085.76 : x
  2. Step 2: Convert to fraction form
    357,215.73/492,964.07 = 196,085.76/x
  3. Step 3: Cross multiply
    357,215.73x = 492,964.07 × 196,085.76
  4. Step 4: Simplify right side
    357,215.73x = 96,663,233,338.21
  5. Step 5: Solve for x
    x = 96,663,233,338.21/357,215.73
  6. Step 6: Final answer
    x = 270,601.84

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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.