Home / 180,031.69-269,996.50-74,720.35

Finding the Fourth Proportional to 180,031.69, 269,996.50 and 74,720.35

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Solution

The fourth proportional to 180,031.69, 269,996.50 and 74,720.35 is: 112,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,031.69 : 269,996.50 = 74,720.35 : x
  2. Step 2: Convert to fraction form
    180,031.69/269,996.50 = 74,720.35/x
  3. Step 3: Cross multiply
    180,031.69x = 269,996.50 × 74,720.35
  4. Step 4: Simplify right side
    180,031.69x = 20,174,232,116.98
  5. Step 5: Solve for x
    x = 20,174,232,116.98/180,031.69
  6. Step 6: Final answer
    x = 112,059.34

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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.