Home / 172,785.18-238,437.32-96,300.12

Finding the Fourth Proportional to 172,785.18, 238,437.32 and 96,300.12

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Solution

The fourth proportional to 172,785.18, 238,437.32 and 96,300.12 is: 132,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,785.18 : 238,437.32 = 96,300.12 : x
  2. Step 2: Convert to fraction form
    172,785.18/238,437.32 = 96,300.12/x
  3. Step 3: Cross multiply
    172,785.18x = 238,437.32 × 96,300.12
  4. Step 4: Simplify right side
    172,785.18x = 22,961,542,528.48
  5. Step 5: Solve for x
    x = 22,961,542,528.48/172,785.18
  6. Step 6: Final answer
    x = 132,890.69

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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.