Home / 157,884.09-217,877.49-86,262.57

Finding the Fourth Proportional to 157,884.09, 217,877.49 and 86,262.57

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Solution

The fourth proportional to 157,884.09, 217,877.49 and 86,262.57 is: 119,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,884.09 : 217,877.49 = 86,262.57 : x
  2. Step 2: Convert to fraction form
    157,884.09/217,877.49 = 86,262.57/x
  3. Step 3: Cross multiply
    157,884.09x = 217,877.49 × 86,262.57
  4. Step 4: Simplify right side
    157,884.09x = 18,794,672,232.55
  5. Step 5: Solve for x
    x = 18,794,672,232.55/157,884.09
  6. Step 6: Final answer
    x = 119,040.95

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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.