Home / 138,046.42-190,386.03-95,094.46

Finding the Fourth Proportional to 138,046.42, 190,386.03 and 95,094.46

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Solution

The fourth proportional to 138,046.42, 190,386.03 and 95,094.46 is: 131,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,046.42 : 190,386.03 = 95,094.46 : x
  2. Step 2: Convert to fraction form
    138,046.42/190,386.03 = 95,094.46/x
  3. Step 3: Cross multiply
    138,046.42x = 190,386.03 × 95,094.46
  4. Step 4: Simplify right side
    138,046.42x = 18,104,656,714.39
  5. Step 5: Solve for x
    x = 18,104,656,714.39/138,046.42
  6. Step 6: Final answer
    x = 131,149.05

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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.