Home / 141,897.07-196,663.23-139,239.87

Finding the Fourth Proportional to 141,897.07, 196,663.23 and 139,239.87

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Solution

The fourth proportional to 141,897.07, 196,663.23 and 139,239.87 is: 192,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,897.07 : 196,663.23 = 139,239.87 : x
  2. Step 2: Convert to fraction form
    141,897.07/196,663.23 = 139,239.87/x
  3. Step 3: Cross multiply
    141,897.07x = 196,663.23 × 139,239.87
  4. Step 4: Simplify right side
    141,897.07x = 27,383,362,786.22
  5. Step 5: Solve for x
    x = 27,383,362,786.22/141,897.07
  6. Step 6: Final answer
    x = 192,980.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.