Home / 356,022.85-491,312.27-194,888.19

Finding the Fourth Proportional to 356,022.85, 491,312.27 and 194,888.19

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Solution

The fourth proportional to 356,022.85, 491,312.27 and 194,888.19 is: 268,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,022.85 : 491,312.27 = 194,888.19 : x
  2. Step 2: Convert to fraction form
    356,022.85/491,312.27 = 194,888.19/x
  3. Step 3: Cross multiply
    356,022.85x = 491,312.27 × 194,888.19
  4. Step 4: Simplify right side
    356,022.85x = 95,750,959,025.09
  5. Step 5: Solve for x
    x = 95,750,959,025.09/356,022.85
  6. Step 6: Final answer
    x = 268,946.11

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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.