Home / 122,970.03-169,668.54-82,053.69

Finding the Fourth Proportional to 122,970.03, 169,668.54 and 82,053.69

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Solution

The fourth proportional to 122,970.03, 169,668.54 and 82,053.69 is: 113,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,970.03 : 169,668.54 = 82,053.69 : x
  2. Step 2: Convert to fraction form
    122,970.03/169,668.54 = 82,053.69/x
  3. Step 3: Cross multiply
    122,970.03x = 169,668.54 × 82,053.69
  4. Step 4: Simplify right side
    122,970.03x = 13,921,929,783.91
  5. Step 5: Solve for x
    x = 13,921,929,783.91/122,970.03
  6. Step 6: Final answer
    x = 113,214.01

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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.