Home / 157,250.36-217,000.44-85,629.80

Finding the Fourth Proportional to 157,250.36, 217,000.44 and 85,629.80

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Solution

The fourth proportional to 157,250.36, 217,000.44 and 85,629.80 is: 118,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,250.36 : 217,000.44 = 85,629.80 : x
  2. Step 2: Convert to fraction form
    157,250.36/217,000.44 = 85,629.80/x
  3. Step 3: Cross multiply
    157,250.36x = 217,000.44 × 85,629.80
  4. Step 4: Simplify right side
    157,250.36x = 18,581,704,277.11
  5. Step 5: Solve for x
    x = 18,581,704,277.11/157,250.36
  6. Step 6: Final answer
    x = 118,166.37

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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.