Home / 133,208.96-199,683.56-53,223.08

Finding the Fourth Proportional to 133,208.96, 199,683.56 and 53,223.08

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Solution

The fourth proportional to 133,208.96, 199,683.56 and 53,223.08 is: 79,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,208.96 : 199,683.56 = 53,223.08 : x
  2. Step 2: Convert to fraction form
    133,208.96/199,683.56 = 53,223.08/x
  3. Step 3: Cross multiply
    133,208.96x = 199,683.56 × 53,223.08
  4. Step 4: Simplify right side
    133,208.96x = 10,627,773,223.20
  5. Step 5: Solve for x
    x = 10,627,773,223.20/133,208.96
  6. Step 6: Final answer
    x = 79,782.72

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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.