Home / 130,685.25-196,029.39-124,311.36

Finding the Fourth Proportional to 130,685.25, 196,029.39 and 124,311.36

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Solution

The fourth proportional to 130,685.25, 196,029.39 and 124,311.36 is: 186,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,685.25 : 196,029.39 = 124,311.36 : x
  2. Step 2: Convert to fraction form
    130,685.25/196,029.39 = 124,311.36/x
  3. Step 3: Cross multiply
    130,685.25x = 196,029.39 × 124,311.36
  4. Step 4: Simplify right side
    130,685.25x = 24,368,680,070.87
  5. Step 5: Solve for x
    x = 24,368,680,070.87/130,685.25
  6. Step 6: Final answer
    x = 186,468.48

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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.