Home / 130,259.52-179,755.20-73,671.84

Finding the Fourth Proportional to 130,259.52, 179,755.20 and 73,671.84

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Solution

The fourth proportional to 130,259.52, 179,755.20 and 73,671.84 is: 101,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,259.52 : 179,755.20 = 73,671.84 : x
  2. Step 2: Convert to fraction form
    130,259.52/179,755.20 = 73,671.84/x
  3. Step 3: Cross multiply
    130,259.52x = 179,755.20 × 73,671.84
  4. Step 4: Simplify right side
    130,259.52x = 13,242,896,333.57
  5. Step 5: Solve for x
    x = 13,242,896,333.57/130,259.52
  6. Step 6: Final answer
    x = 101,665.48

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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.