Home / 361,976.50-542,629.58-134,145.28

Finding the Fourth Proportional to 361,976.50, 542,629.58 and 134,145.28

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Solution

The fourth proportional to 361,976.50, 542,629.58 and 134,145.28 is: 201,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,976.50 : 542,629.58 = 134,145.28 : x
  2. Step 2: Convert to fraction form
    361,976.50/542,629.58 = 134,145.28/x
  3. Step 3: Cross multiply
    361,976.50x = 542,629.58 × 134,145.28
  4. Step 4: Simplify right side
    361,976.50x = 72,791,193,561.51
  5. Step 5: Solve for x
    x = 72,791,193,561.51/361,976.50
  6. Step 6: Final answer
    x = 201,093.70

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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.