Home / 172,636.48-238,047.93-118,197.60

Finding the Fourth Proportional to 172,636.48, 238,047.93 and 118,197.60

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Solution

The fourth proportional to 172,636.48, 238,047.93 and 118,197.60 is: 162,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,636.48 : 238,047.93 = 118,197.60 : x
  2. Step 2: Convert to fraction form
    172,636.48/238,047.93 = 118,197.60/x
  3. Step 3: Cross multiply
    172,636.48x = 238,047.93 × 118,197.60
  4. Step 4: Simplify right side
    172,636.48x = 28,136,694,628.17
  5. Step 5: Solve for x
    x = 28,136,694,628.17/172,636.48
  6. Step 6: Final answer
    x = 162,982.33

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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.