Home / 130,624.32-196,050.24-74,576.64

Finding the Fourth Proportional to 130,624.32, 196,050.24 and 74,576.64

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Solution

The fourth proportional to 130,624.32, 196,050.24 and 74,576.64 is: 111,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.32 : 196,050.24 = 74,576.64 : x
  2. Step 2: Convert to fraction form
    130,624.32/196,050.24 = 74,576.64/x
  3. Step 3: Cross multiply
    130,624.32x = 196,050.24 × 74,576.64
  4. Step 4: Simplify right side
    130,624.32x = 14,620,768,170.39
  5. Step 5: Solve for x
    x = 14,620,768,170.39/130,624.32
  6. Step 6: Final answer
    x = 111,929.91

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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.