Home / 130,768.12-196,152.18-37,271.44

Finding the Fourth Proportional to 130,768.12, 196,152.18 and 37,271.44

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Solution

The fourth proportional to 130,768.12, 196,152.18 and 37,271.44 is: 55,907.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,768.12 : 196,152.18 = 37,271.44 : x
  2. Step 2: Convert to fraction form
    130,768.12/196,152.18 = 37,271.44/x
  3. Step 3: Cross multiply
    130,768.12x = 196,152.18 × 37,271.44
  4. Step 4: Simplify right side
    130,768.12x = 7,310,874,207.74
  5. Step 5: Solve for x
    x = 7,310,874,207.74/130,768.12
  6. Step 6: Final answer
    x = 55,907.16

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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.