Home / 157,537.26-217,399.07-85,917.13

Finding the Fourth Proportional to 157,537.26, 217,399.07 and 85,917.13

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Solution

The fourth proportional to 157,537.26, 217,399.07 and 85,917.13 is: 118,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,537.26 : 217,399.07 = 85,917.13 : x
  2. Step 2: Convert to fraction form
    157,537.26/217,399.07 = 85,917.13/x
  3. Step 3: Cross multiply
    157,537.26x = 217,399.07 × 85,917.13
  4. Step 4: Simplify right side
    157,537.26x = 18,678,303,830.36
  5. Step 5: Solve for x
    x = 18,678,303,830.36/157,537.26
  6. Step 6: Final answer
    x = 118,564.36

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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.