Home / 172,826.26-238,296.23-118,404.52

Finding the Fourth Proportional to 172,826.26, 238,296.23 and 118,404.52

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Solution

The fourth proportional to 172,826.26, 238,296.23 and 118,404.52 is: 163,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,826.26 : 238,296.23 = 118,404.52 : x
  2. Step 2: Convert to fraction form
    172,826.26/238,296.23 = 118,404.52/x
  3. Step 3: Cross multiply
    172,826.26x = 238,296.23 × 118,404.52
  4. Step 4: Simplify right side
    172,826.26x = 28,215,349,987.21
  5. Step 5: Solve for x
    x = 28,215,349,987.21/172,826.26
  6. Step 6: Final answer
    x = 163,258.47

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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.