Home / 419,558.34-629,088.57-166,703.16

Finding the Fourth Proportional to 419,558.34, 629,088.57 and 166,703.16

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Solution

The fourth proportional to 419,558.34, 629,088.57 and 166,703.16 is: 249,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,558.34 : 629,088.57 = 166,703.16 : x
  2. Step 2: Convert to fraction form
    419,558.34/629,088.57 = 166,703.16/x
  3. Step 3: Cross multiply
    419,558.34x = 629,088.57 × 166,703.16
  4. Step 4: Simplify right side
    419,558.34x = 104,871,052,538.88
  5. Step 5: Solve for x
    x = 104,871,052,538.88/419,558.34
  6. Step 6: Final answer
    x = 249,955.83

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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.