Home / 157,608.33-217,499.25-85,988.36

Finding the Fourth Proportional to 157,608.33, 217,499.25 and 85,988.36

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Solution

The fourth proportional to 157,608.33, 217,499.25 and 85,988.36 is: 118,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,608.33 : 217,499.25 = 85,988.36 : x
  2. Step 2: Convert to fraction form
    157,608.33/217,499.25 = 85,988.36/x
  3. Step 3: Cross multiply
    157,608.33x = 217,499.25 × 85,988.36
  4. Step 4: Simplify right side
    157,608.33x = 18,702,403,378.79
  5. Step 5: Solve for x
    x = 18,702,403,378.79/157,608.33
  6. Step 6: Final answer
    x = 118,663.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.