Home / 117,590.52-162,185.48-81,352.26

Finding the Fourth Proportional to 117,590.52, 162,185.48 and 81,352.26

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Solution

The fourth proportional to 117,590.52, 162,185.48 and 81,352.26 is: 112,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,590.52 : 162,185.48 = 81,352.26 : x
  2. Step 2: Convert to fraction form
    117,590.52/162,185.48 = 81,352.26/x
  3. Step 3: Cross multiply
    117,590.52x = 162,185.48 × 81,352.26
  4. Step 4: Simplify right side
    117,590.52x = 13,194,155,337.18
  5. Step 5: Solve for x
    x = 13,194,155,337.18/117,590.52
  6. Step 6: Final answer
    x = 112,204.24

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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.