Home / 205,285.96-283,289.10-114,639.40

Finding the Fourth Proportional to 205,285.96, 283,289.10 and 114,639.40

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Solution

The fourth proportional to 205,285.96, 283,289.10 and 114,639.40 is: 158,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,285.96 : 283,289.10 = 114,639.40 : x
  2. Step 2: Convert to fraction form
    205,285.96/283,289.10 = 114,639.40/x
  3. Step 3: Cross multiply
    205,285.96x = 283,289.10 × 114,639.40
  4. Step 4: Simplify right side
    205,285.96x = 32,476,092,450.54
  5. Step 5: Solve for x
    x = 32,476,092,450.54/205,285.96
  6. Step 6: Final answer
    x = 158,199.29

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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.