Home / 357,150.06-492,865.65-196,007.76

Finding the Fourth Proportional to 357,150.06, 492,865.65 and 196,007.76

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Solution

The fourth proportional to 357,150.06, 492,865.65 and 196,007.76 is: 270,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,150.06 : 492,865.65 = 196,007.76 : x
  2. Step 2: Convert to fraction form
    357,150.06/492,865.65 = 196,007.76/x
  3. Step 3: Cross multiply
    357,150.06x = 492,865.65 × 196,007.76
  4. Step 4: Simplify right side
    357,150.06x = 96,605,492,037.44
  5. Step 5: Solve for x
    x = 96,605,492,037.44/357,150.06
  6. Step 6: Final answer
    x = 270,489.92

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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.