Home / 130,507.72-195,719.46-36,988.36

Finding the Fourth Proportional to 130,507.72, 195,719.46 and 36,988.36

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Solution

The fourth proportional to 130,507.72, 195,719.46 and 36,988.36 is: 55,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507.72 : 195,719.46 = 36,988.36 : x
  2. Step 2: Convert to fraction form
    130,507.72/195,719.46 = 36,988.36/x
  3. Step 3: Cross multiply
    130,507.72x = 195,719.46 × 36,988.36
  4. Step 4: Simplify right side
    130,507.72x = 7,239,341,845.49
  5. Step 5: Solve for x
    x = 7,239,341,845.49/130,507.72
  6. Step 6: Final answer
    x = 55,470.60

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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.