Home / 130,048.48-195,112.04-92,171

Finding the Fourth Proportional to 130,048.48, 195,112.04 and 92,171

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Solution

The fourth proportional to 130,048.48, 195,112.04 and 92,171 is: 138,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.48 : 195,112.04 = 92,171 : x
  2. Step 2: Convert to fraction form
    130,048.48/195,112.04 = 92,171/x
  3. Step 3: Cross multiply
    130,048.48x = 195,112.04 × 92,171
  4. Step 4: Simplify right side
    130,048.48x = 17,983,671,838.84
  5. Step 5: Solve for x
    x = 17,983,671,838.84/130,048.48
  6. Step 6: Final answer
    x = 138,284.37

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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.