Home / 157,285.56-217,057.92-85,669.44

Finding the Fourth Proportional to 157,285.56, 217,057.92 and 85,669.44

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Solution

The fourth proportional to 157,285.56, 217,057.92 and 85,669.44 is: 118,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,285.56 : 217,057.92 = 85,669.44 : x
  2. Step 2: Convert to fraction form
    157,285.56/217,057.92 = 85,669.44/x
  3. Step 3: Cross multiply
    157,285.56x = 217,057.92 × 85,669.44
  4. Step 4: Simplify right side
    157,285.56x = 18,595,230,453.96
  5. Step 5: Solve for x
    x = 18,595,230,453.96/157,285.56
  6. Step 6: Final answer
    x = 118,225.92

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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.