Home / 138,096.51-190,575.26-84,370.14

Finding the Fourth Proportional to 138,096.51, 190,575.26 and 84,370.14

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Solution

The fourth proportional to 138,096.51, 190,575.26 and 84,370.14 is: 116,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,096.51 : 190,575.26 = 84,370.14 : x
  2. Step 2: Convert to fraction form
    138,096.51/190,575.26 = 84,370.14/x
  3. Step 3: Cross multiply
    138,096.51x = 190,575.26 × 84,370.14
  4. Step 4: Simplify right side
    138,096.51x = 16,078,860,944.89
  5. Step 5: Solve for x
    x = 16,078,860,944.89/138,096.51
  6. Step 6: Final answer
    x = 116,432.06

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1.5x scale

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.