Home / 178,108.13-245,786.24-96,435.72

Finding the Fourth Proportional to 178,108.13, 245,786.24 and 96,435.72

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Solution

The fourth proportional to 178,108.13, 245,786.24 and 96,435.72 is: 133,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,108.13 : 245,786.24 = 96,435.72 : x
  2. Step 2: Convert to fraction form
    178,108.13/245,786.24 = 96,435.72/x
  3. Step 3: Cross multiply
    178,108.13x = 245,786.24 × 96,435.72
  4. Step 4: Simplify right side
    178,108.13x = 23,702,572,538.31
  5. Step 5: Solve for x
    x = 23,702,572,538.31/178,108.13
  6. Step 6: Final answer
    x = 133,079.68

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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.