Home / 135,888.20-204,026.70-96,619.40

Finding the Fourth Proportional to 135,888.20, 204,026.70 and 96,619.40

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Solution

The fourth proportional to 135,888.20, 204,026.70 and 96,619.40 is: 145,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.20 : 204,026.70 = 96,619.40 : x
  2. Step 2: Convert to fraction form
    135,888.20/204,026.70 = 96,619.40/x
  3. Step 3: Cross multiply
    135,888.20x = 204,026.70 × 96,619.40
  4. Step 4: Simplify right side
    135,888.20x = 19,712,937,337.98
  5. Step 5: Solve for x
    x = 19,712,937,337.98/135,888.20
  6. Step 6: Final answer
    x = 145,067.32

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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.