Home / 118,971.60-164,194.53-71,224.92

Finding the Fourth Proportional to 118,971.60, 164,194.53 and 71,224.92

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Solution

The fourth proportional to 118,971.60, 164,194.53 and 71,224.92 is: 98,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,971.60 : 164,194.53 = 71,224.92 : x
  2. Step 2: Convert to fraction form
    118,971.60/164,194.53 = 71,224.92/x
  3. Step 3: Cross multiply
    118,971.60x = 164,194.53 × 71,224.92
  4. Step 4: Simplify right side
    118,971.60x = 11,694,742,263.69
  5. Step 5: Solve for x
    x = 11,694,742,263.69/118,971.60
  6. Step 6: Final answer
    x = 98,298.60

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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.