Home / 160,297.52-221,217.09-88,676.31

Finding the Fourth Proportional to 160,297.52, 221,217.09 and 88,676.31

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Solution

The fourth proportional to 160,297.52, 221,217.09 and 88,676.31 is: 122,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,297.52 : 221,217.09 = 88,676.31 : x
  2. Step 2: Convert to fraction form
    160,297.52/221,217.09 = 88,676.31/x
  3. Step 3: Cross multiply
    160,297.52x = 221,217.09 × 88,676.31
  4. Step 4: Simplify right side
    160,297.52x = 19,616,715,250.14
  5. Step 5: Solve for x
    x = 19,616,715,250.14/160,297.52
  6. Step 6: Final answer
    x = 122,376.91

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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.