Home / 118,746.36-177,071.85-117,679.59

Finding the Fourth Proportional to 118,746.36, 177,071.85 and 117,679.59

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Solution

The fourth proportional to 118,746.36, 177,071.85 and 117,679.59 is: 175,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,746.36 : 177,071.85 = 117,679.59 : x
  2. Step 2: Convert to fraction form
    118,746.36/177,071.85 = 117,679.59/x
  3. Step 3: Cross multiply
    118,746.36x = 177,071.85 × 117,679.59
  4. Step 4: Simplify right side
    118,746.36x = 20,837,742,708.54
  5. Step 5: Solve for x
    x = 20,837,742,708.54/118,746.36
  6. Step 6: Final answer
    x = 175,481.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.