Home / 194,786.10-292,179.15-191,505.60

Finding the Fourth Proportional to 194,786.10, 292,179.15 and 191,505.60

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Solution

The fourth proportional to 194,786.10, 292,179.15 and 191,505.60 is: 287,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,786.10 : 292,179.15 = 191,505.60 : x
  2. Step 2: Convert to fraction form
    194,786.10/292,179.15 = 191,505.60/x
  3. Step 3: Cross multiply
    194,786.10x = 292,179.15 × 191,505.60
  4. Step 4: Simplify right side
    194,786.10x = 55,953,943,428.24
  5. Step 5: Solve for x
    x = 55,953,943,428.24/194,786.10
  6. Step 6: Final answer
    x = 287,258.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.