Home / 113,151.08-169,726.59-28,911.40

Finding the Fourth Proportional to 113,151.08, 169,726.59 and 28,911.40

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Solution

The fourth proportional to 113,151.08, 169,726.59 and 28,911.40 is: 43,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,151.08 : 169,726.59 = 28,911.40 : x
  2. Step 2: Convert to fraction form
    113,151.08/169,726.59 = 28,911.40/x
  3. Step 3: Cross multiply
    113,151.08x = 169,726.59 × 28,911.40
  4. Step 4: Simplify right side
    113,151.08x = 4,907,032,377.08
  5. Step 5: Solve for x
    x = 4,907,032,377.08/113,151.08
  6. Step 6: Final answer
    x = 43,367.09

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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.