Home / 157,262.85-217,025.33-85,644.27

Finding the Fourth Proportional to 157,262.85, 217,025.33 and 85,644.27

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Solution

The fourth proportional to 157,262.85, 217,025.33 and 85,644.27 is: 118,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,262.85 : 217,025.33 = 85,644.27 : x
  2. Step 2: Convert to fraction form
    157,262.85/217,025.33 = 85,644.27/x
  3. Step 3: Cross multiply
    157,262.85x = 217,025.33 × 85,644.27
  4. Step 4: Simplify right side
    157,262.85x = 18,586,975,531.14
  5. Step 5: Solve for x
    x = 18,586,975,531.14/157,262.85
  6. Step 6: Final answer
    x = 118,190.50

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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.