Home / 160,124.72-220,857.68-122,333.36

Finding the Fourth Proportional to 160,124.72, 220,857.68 and 122,333.36

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Solution

The fourth proportional to 160,124.72, 220,857.68 and 122,333.36 is: 168,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,124.72 : 220,857.68 = 122,333.36 : x
  2. Step 2: Convert to fraction form
    160,124.72/220,857.68 = 122,333.36/x
  3. Step 3: Cross multiply
    160,124.72x = 220,857.68 × 122,333.36
  4. Step 4: Simplify right side
    160,124.72x = 27,018,262,076.20
  5. Step 5: Solve for x
    x = 27,018,262,076.20/160,124.72
  6. Step 6: Final answer
    x = 168,732.61

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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.