Home / 446,493.89-669,746.37-130,957.31

Finding the Fourth Proportional to 446,493.89, 669,746.37 and 130,957.31

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Solution

The fourth proportional to 446,493.89, 669,746.37 and 130,957.31 is: 196,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,493.89 : 669,746.37 = 130,957.31 : x
  2. Step 2: Convert to fraction form
    446,493.89/669,746.37 = 130,957.31/x
  3. Step 3: Cross multiply
    446,493.89x = 669,746.37 × 130,957.31
  4. Step 4: Simplify right side
    446,493.89x = 87,708,182,997.46
  5. Step 5: Solve for x
    x = 87,708,182,997.46/446,493.89
  6. Step 6: Final answer
    x = 196,437.59

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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.