Home / 130,996.92-196,519.14-74,900.28

Finding the Fourth Proportional to 130,996.92, 196,519.14 and 74,900.28

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Solution

The fourth proportional to 130,996.92, 196,519.14 and 74,900.28 is: 112,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,996.92 : 196,519.14 = 74,900.28 : x
  2. Step 2: Convert to fraction form
    130,996.92/196,519.14 = 74,900.28/x
  3. Step 3: Cross multiply
    130,996.92x = 196,519.14 × 74,900.28
  4. Step 4: Simplify right side
    130,996.92x = 14,719,338,611.36
  5. Step 5: Solve for x
    x = 14,719,338,611.36/130,996.92
  6. Step 6: Final answer
    x = 112,364.01

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1.5x scale

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.