Home / 332,379.63-458,678.02-189,136.60

Finding the Fourth Proportional to 332,379.63, 458,678.02 and 189,136.60

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Solution

The fourth proportional to 332,379.63, 458,678.02 and 189,136.60 is: 261,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,379.63 : 458,678.02 = 189,136.60 : x
  2. Step 2: Convert to fraction form
    332,379.63/458,678.02 = 189,136.60/x
  3. Step 3: Cross multiply
    332,379.63x = 458,678.02 × 189,136.60
  4. Step 4: Simplify right side
    332,379.63x = 86,752,801,197.53
  5. Step 5: Solve for x
    x = 86,752,801,197.53/332,379.63
  6. Step 6: Final answer
    x = 261,005.17

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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.