Home / 156,935.70-235,399.89-38,608.08

Finding the Fourth Proportional to 156,935.70, 235,399.89 and 38,608.08

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Solution

The fourth proportional to 156,935.70, 235,399.89 and 38,608.08 is: 57,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.70 : 235,399.89 = 38,608.08 : x
  2. Step 2: Convert to fraction form
    156,935.70/235,399.89 = 38,608.08/x
  3. Step 3: Cross multiply
    156,935.70x = 235,399.89 × 38,608.08
  4. Step 4: Simplify right side
    156,935.70x = 9,088,337,785.11
  5. Step 5: Solve for x
    x = 9,088,337,785.11/156,935.70
  6. Step 6: Final answer
    x = 57,911.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.