Home / 157,325.16-217,189.22-106,605.96

Finding the Fourth Proportional to 157,325.16, 217,189.22 and 106,605.96

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Solution

The fourth proportional to 157,325.16, 217,189.22 and 106,605.96 is: 147,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,325.16 : 217,189.22 = 106,605.96 : x
  2. Step 2: Convert to fraction form
    157,325.16/217,189.22 = 106,605.96/x
  3. Step 3: Cross multiply
    157,325.16x = 217,189.22 × 106,605.96
  4. Step 4: Simplify right side
    157,325.16x = 23,153,665,299.75
  5. Step 5: Solve for x
    x = 23,153,665,299.75/157,325.16
  6. Step 6: Final answer
    x = 147,170.77

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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.