Home / 457,187.96-685,827.05-157,629.11

Finding the Fourth Proportional to 457,187.96, 685,827.05 and 157,629.11

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Solution

The fourth proportional to 457,187.96, 685,827.05 and 157,629.11 is: 236,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,187.96 : 685,827.05 = 157,629.11 : x
  2. Step 2: Convert to fraction form
    457,187.96/685,827.05 = 157,629.11/x
  3. Step 3: Cross multiply
    457,187.96x = 685,827.05 × 157,629.11
  4. Step 4: Simplify right side
    457,187.96x = 108,106,303,288.15
  5. Step 5: Solve for x
    x = 108,106,303,288.15/457,187.96
  6. Step 6: Final answer
    x = 236,459.21

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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.