Home / 340,192.64-469,405.32-196,945.76

Finding the Fourth Proportional to 340,192.64, 469,405.32 and 196,945.76

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Solution

The fourth proportional to 340,192.64, 469,405.32 and 196,945.76 is: 271,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,192.64 : 469,405.32 = 196,945.76 : x
  2. Step 2: Convert to fraction form
    340,192.64/469,405.32 = 196,945.76/x
  3. Step 3: Cross multiply
    340,192.64x = 469,405.32 × 196,945.76
  4. Step 4: Simplify right side
    340,192.64x = 92,447,387,495.44
  5. Step 5: Solve for x
    x = 92,447,387,495.44/340,192.64
  6. Step 6: Final answer
    x = 271,750.11

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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.