Home / 130,784.70-196,178.86-37,290.44

Finding the Fourth Proportional to 130,784.70, 196,178.86 and 37,290.44

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Solution

The fourth proportional to 130,784.70, 196,178.86 and 37,290.44 is: 55,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,784.70 : 196,178.86 = 37,290.44 : x
  2. Step 2: Convert to fraction form
    130,784.70/196,178.86 = 37,290.44/x
  3. Step 3: Cross multiply
    130,784.70x = 196,178.86 × 37,290.44
  4. Step 4: Simplify right side
    130,784.70x = 7,315,596,008.10
  5. Step 5: Solve for x
    x = 7,315,596,008.10/130,784.70
  6. Step 6: Final answer
    x = 55,936.18

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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.