Home / 126,582.62-174,525.23-81,180.50

Finding the Fourth Proportional to 126,582.62, 174,525.23 and 81,180.50

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Solution

The fourth proportional to 126,582.62, 174,525.23 and 81,180.50 is: 111,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,582.62 : 174,525.23 = 81,180.50 : x
  2. Step 2: Convert to fraction form
    126,582.62/174,525.23 = 81,180.50/x
  3. Step 3: Cross multiply
    126,582.62x = 174,525.23 × 81,180.50
  4. Step 4: Simplify right side
    126,582.62x = 14,168,044,764.34
  5. Step 5: Solve for x
    x = 14,168,044,764.34/126,582.62
  6. Step 6: Final answer
    x = 111,927.26

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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.