Home / 194,969.10-292,453.65-137,888.40

Finding the Fourth Proportional to 194,969.10, 292,453.65 and 137,888.40

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Solution

The fourth proportional to 194,969.10, 292,453.65 and 137,888.40 is: 206,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,969.10 : 292,453.65 = 137,888.40 : x
  2. Step 2: Convert to fraction form
    194,969.10/292,453.65 = 137,888.40/x
  3. Step 3: Cross multiply
    194,969.10x = 292,453.65 × 137,888.40
  4. Step 4: Simplify right side
    194,969.10x = 40,325,965,872.66
  5. Step 5: Solve for x
    x = 40,325,965,872.66/194,969.10
  6. Step 6: Final answer
    x = 206,832.60

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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.