Home / 159,242.04-219,789.36-124,718.04

Finding the Fourth Proportional to 159,242.04, 219,789.36 and 124,718.04

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Solution

The fourth proportional to 159,242.04, 219,789.36 and 124,718.04 is: 172,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,242.04 : 219,789.36 = 124,718.04 : x
  2. Step 2: Convert to fraction form
    159,242.04/219,789.36 = 124,718.04/x
  3. Step 3: Cross multiply
    159,242.04x = 219,789.36 × 124,718.04
  4. Step 4: Simplify right side
    159,242.04x = 27,411,698,192.05
  5. Step 5: Solve for x
    x = 27,411,698,192.05/159,242.04
  6. Step 6: Final answer
    x = 172,138.58

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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.