Home / 135,138.96-186,294.06-94,730.76

Finding the Fourth Proportional to 135,138.96, 186,294.06 and 94,730.76

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Solution

The fourth proportional to 135,138.96, 186,294.06 and 94,730.76 is: 130,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,138.96 : 186,294.06 = 94,730.76 : x
  2. Step 2: Convert to fraction form
    135,138.96/186,294.06 = 94,730.76/x
  3. Step 3: Cross multiply
    135,138.96x = 186,294.06 × 94,730.76
  4. Step 4: Simplify right side
    135,138.96x = 17,647,777,887.29
  5. Step 5: Solve for x
    x = 17,647,777,887.29/135,138.96
  6. Step 6: Final answer
    x = 130,589.86

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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.