Home / 130,619.52-180,266.04-74,027.52

Finding the Fourth Proportional to 130,619.52, 180,266.04 and 74,027.52

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Solution

The fourth proportional to 130,619.52, 180,266.04 and 74,027.52 is: 102,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,619.52 : 180,266.04 = 74,027.52 : x
  2. Step 2: Convert to fraction form
    130,619.52/180,266.04 = 74,027.52/x
  3. Step 3: Cross multiply
    130,619.52x = 180,266.04 × 74,027.52
  4. Step 4: Simplify right side
    130,619.52x = 13,344,647,881.42
  5. Step 5: Solve for x
    x = 13,344,647,881.42/130,619.52
  6. Step 6: Final answer
    x = 102,164.27

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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.