Home / 226,257.60-339,430.08-86,005.32

Finding the Fourth Proportional to 226,257.60, 339,430.08 and 86,005.32

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Solution

The fourth proportional to 226,257.60, 339,430.08 and 86,005.32 is: 129,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,257.60 : 339,430.08 = 86,005.32 : x
  2. Step 2: Convert to fraction form
    226,257.60/339,430.08 = 86,005.32/x
  3. Step 3: Cross multiply
    226,257.60x = 339,430.08 × 86,005.32
  4. Step 4: Simplify right side
    226,257.60x = 29,192,792,648.03
  5. Step 5: Solve for x
    x = 29,192,792,648.03/226,257.60
  6. Step 6: Final answer
    x = 129,024.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.