Home / 319,535.34-479,315.16-106,322.28

Finding the Fourth Proportional to 319,535.34, 479,315.16 and 106,322.28

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Solution

The fourth proportional to 319,535.34, 479,315.16 and 106,322.28 is: 159,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,535.34 : 479,315.16 = 106,322.28 : x
  2. Step 2: Convert to fraction form
    319,535.34/479,315.16 = 106,322.28/x
  3. Step 3: Cross multiply
    319,535.34x = 479,315.16 × 106,322.28
  4. Step 4: Simplify right side
    319,535.34x = 50,961,880,649.76
  5. Step 5: Solve for x
    x = 50,961,880,649.76/319,535.34
  6. Step 6: Final answer
    x = 159,487.46

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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.