Home / 135,139.96-186,295.44-94,731.76

Finding the Fourth Proportional to 135,139.96, 186,295.44 and 94,731.76

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Solution

The fourth proportional to 135,139.96, 186,295.44 and 94,731.76 is: 130,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,139.96 : 186,295.44 = 94,731.76 : x
  2. Step 2: Convert to fraction form
    135,139.96/186,295.44 = 94,731.76/x
  3. Step 3: Cross multiply
    135,139.96x = 186,295.44 × 94,731.76
  4. Step 4: Simplify right side
    135,139.96x = 17,648,094,911.17
  5. Step 5: Solve for x
    x = 17,648,094,911.17/135,139.96
  6. Step 6: Final answer
    x = 130,591.24

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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.