Home / 180,622.45-249,267.19-100,049.96

Finding the Fourth Proportional to 180,622.45, 249,267.19 and 100,049.96

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Solution

The fourth proportional to 180,622.45, 249,267.19 and 100,049.96 is: 138,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,622.45 : 249,267.19 = 100,049.96 : x
  2. Step 2: Convert to fraction form
    180,622.45/249,267.19 = 100,049.96/x
  3. Step 3: Cross multiply
    180,622.45x = 249,267.19 × 100,049.96
  4. Step 4: Simplify right side
    180,622.45x = 24,939,172,388.81
  5. Step 5: Solve for x
    x = 24,939,172,388.81/180,622.45
  6. Step 6: Final answer
    x = 138,073.49

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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.