Home / 112,090.42-167,948.74-92,161.38

Finding the Fourth Proportional to 112,090.42, 167,948.74 and 92,161.38

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Solution

The fourth proportional to 112,090.42, 167,948.74 and 92,161.38 is: 138,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,090.42 : 167,948.74 = 92,161.38 : x
  2. Step 2: Convert to fraction form
    112,090.42/167,948.74 = 92,161.38/x
  3. Step 3: Cross multiply
    112,090.42x = 167,948.74 × 92,161.38
  4. Step 4: Simplify right side
    112,090.42x = 15,478,387,647.66
  5. Step 5: Solve for x
    x = 15,478,387,647.66/112,090.42
  6. Step 6: Final answer
    x = 138,088.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.