Home / 168,918.36-233,070.36-100,925.15

Finding the Fourth Proportional to 168,918.36, 233,070.36 and 100,925.15

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Solution

The fourth proportional to 168,918.36, 233,070.36 and 100,925.15 is: 139,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,918.36 : 233,070.36 = 100,925.15 : x
  2. Step 2: Convert to fraction form
    168,918.36/233,070.36 = 100,925.15/x
  3. Step 3: Cross multiply
    168,918.36x = 233,070.36 × 100,925.15
  4. Step 4: Simplify right side
    168,918.36x = 23,522,659,878.20
  5. Step 5: Solve for x
    x = 23,522,659,878.20/168,918.36
  6. Step 6: Final answer
    x = 139,254.61

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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.