Home / 354,340.40-488,990.04-193,195.76

Finding the Fourth Proportional to 354,340.40, 488,990.04 and 193,195.76

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Solution

The fourth proportional to 354,340.40, 488,990.04 and 193,195.76 is: 266,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,340.40 : 488,990.04 = 193,195.76 : x
  2. Step 2: Convert to fraction form
    354,340.40/488,990.04 = 193,195.76/x
  3. Step 3: Cross multiply
    354,340.40x = 488,990.04 × 193,195.76
  4. Step 4: Simplify right side
    354,340.40x = 94,470,802,410.23
  5. Step 5: Solve for x
    x = 94,470,802,410.23/354,340.40
  6. Step 6: Final answer
    x = 266,610.31

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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.