Home / 141,055.11-194,654.31-77,392.86

Finding the Fourth Proportional to 141,055.11, 194,654.31 and 77,392.86

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Solution

The fourth proportional to 141,055.11, 194,654.31 and 77,392.86 is: 106,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,055.11 : 194,654.31 = 77,392.86 : x
  2. Step 2: Convert to fraction form
    141,055.11/194,654.31 = 77,392.86/x
  3. Step 3: Cross multiply
    141,055.11x = 194,654.31 × 77,392.86
  4. Step 4: Simplify right side
    141,055.11x = 15,064,852,742.05
  5. Step 5: Solve for x
    x = 15,064,852,742.05/141,055.11
  6. Step 6: Final answer
    x = 106,801.18

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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.