Home / 130,843.90-196,131.21-52,013.98

Finding the Fourth Proportional to 130,843.90, 196,131.21 and 52,013.98

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Solution

The fourth proportional to 130,843.90, 196,131.21 and 52,013.98 is: 77,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,843.90 : 196,131.21 = 52,013.98 : x
  2. Step 2: Convert to fraction form
    130,843.90/196,131.21 = 52,013.98/x
  3. Step 3: Cross multiply
    130,843.90x = 196,131.21 × 52,013.98
  4. Step 4: Simplify right side
    130,843.90x = 10,201,564,834.32
  5. Step 5: Solve for x
    x = 10,201,564,834.32/130,843.90
  6. Step 6: Final answer
    x = 77,967.45

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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.