Home / 130,742.55-196,109.78-37,248.30

Finding the Fourth Proportional to 130,742.55, 196,109.78 and 37,248.30

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Solution

The fourth proportional to 130,742.55, 196,109.78 and 37,248.30 is: 55,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,742.55 : 196,109.78 = 37,248.30 : x
  2. Step 2: Convert to fraction form
    130,742.55/196,109.78 = 37,248.30/x
  3. Step 3: Cross multiply
    130,742.55x = 196,109.78 × 37,248.30
  4. Step 4: Simplify right side
    130,742.55x = 7,304,755,732.13
  5. Step 5: Solve for x
    x = 7,304,755,732.13/130,742.55
  6. Step 6: Final answer
    x = 55,871.30

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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.