Home / 157,517.57-217,379.70-89,537.39

Finding the Fourth Proportional to 157,517.57, 217,379.70 and 89,537.39

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Solution

The fourth proportional to 157,517.57, 217,379.70 and 89,537.39 is: 123,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.57 : 217,379.70 = 89,537.39 : x
  2. Step 2: Convert to fraction form
    157,517.57/217,379.70 = 89,537.39/x
  3. Step 3: Cross multiply
    157,517.57x = 217,379.70 × 89,537.39
  4. Step 4: Simplify right side
    157,517.57x = 19,463,610,976.98
  5. Step 5: Solve for x
    x = 19,463,610,976.98/157,517.57
  6. Step 6: Final answer
    x = 123,564.70

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1.5x scale

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.