Home / 126,036.54-188,989.20-37,278.07

Finding the Fourth Proportional to 126,036.54, 188,989.20 and 37,278.07

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Solution

The fourth proportional to 126,036.54, 188,989.20 and 37,278.07 is: 55,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036.54 : 188,989.20 = 37,278.07 : x
  2. Step 2: Convert to fraction form
    126,036.54/188,989.20 = 37,278.07/x
  3. Step 3: Cross multiply
    126,036.54x = 188,989.20 × 37,278.07
  4. Step 4: Simplify right side
    126,036.54x = 7,045,152,154.37
  5. Step 5: Solve for x
    x = 7,045,152,154.37/126,036.54
  6. Step 6: Final answer
    x = 55,897.70

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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.