Home / 356,528.15-492,012.71-195,379.73

Finding the Fourth Proportional to 356,528.15, 492,012.71 and 195,379.73

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Solution

The fourth proportional to 356,528.15, 492,012.71 and 195,379.73 is: 269,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,528.15 : 492,012.71 = 195,379.73 : x
  2. Step 2: Convert to fraction form
    356,528.15/492,012.71 = 195,379.73/x
  3. Step 3: Cross multiply
    356,528.15x = 492,012.71 × 195,379.73
  4. Step 4: Simplify right side
    356,528.15x = 96,129,312,154.85
  5. Step 5: Solve for x
    x = 96,129,312,154.85/356,528.15
  6. Step 6: Final answer
    x = 269,626.15

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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.