Home / 356,370.20-491,803.11-195,225.19

Finding the Fourth Proportional to 356,370.20, 491,803.11 and 195,225.19

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Solution

The fourth proportional to 356,370.20, 491,803.11 and 195,225.19 is: 269,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,370.20 : 491,803.11 = 195,225.19 : x
  2. Step 2: Convert to fraction form
    356,370.20/491,803.11 = 195,225.19/x
  3. Step 3: Cross multiply
    356,370.20x = 491,803.11 × 195,225.19
  4. Step 4: Simplify right side
    356,370.20x = 96,012,354,362.83
  5. Step 5: Solve for x
    x = 96,012,354,362.83/356,370.20
  6. Step 6: Final answer
    x = 269,417.46

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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.