Home / 144,311.92-199,094.02-83,871.75

Finding the Fourth Proportional to 144,311.92, 199,094.02 and 83,871.75

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Solution

The fourth proportional to 144,311.92, 199,094.02 and 83,871.75 is: 115,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,311.92 : 199,094.02 = 83,871.75 : x
  2. Step 2: Convert to fraction form
    144,311.92/199,094.02 = 83,871.75/x
  3. Step 3: Cross multiply
    144,311.92x = 199,094.02 × 83,871.75
  4. Step 4: Simplify right side
    144,311.92x = 16,698,363,871.94
  5. Step 5: Solve for x
    x = 16,698,363,871.94/144,311.92
  6. Step 6: Final answer
    x = 115,710.22

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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.