Home / 446,150.42-669,127.21-130,631.93

Finding the Fourth Proportional to 446,150.42, 669,127.21 and 130,631.93

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Solution

The fourth proportional to 446,150.42, 669,127.21 and 130,631.93 is: 195,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,150.42 : 669,127.21 = 130,631.93 : x
  2. Step 2: Convert to fraction form
    446,150.42/669,127.21 = 130,631.93/x
  3. Step 3: Cross multiply
    446,150.42x = 669,127.21 × 130,631.93
  4. Step 4: Simplify right side
    446,150.42x = 87,409,378,857.82
  5. Step 5: Solve for x
    x = 87,409,378,857.82/446,150.42
  6. Step 6: Final answer
    x = 195,919.08

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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.