Home / 180,701.44-249,409.60-120,274.48

Finding the Fourth Proportional to 180,701.44, 249,409.60 and 120,274.48

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Solution

The fourth proportional to 180,701.44, 249,409.60 and 120,274.48 is: 166,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,701.44 : 249,409.60 = 120,274.48 : x
  2. Step 2: Convert to fraction form
    180,701.44/249,409.60 = 120,274.48/x
  3. Step 3: Cross multiply
    180,701.44x = 249,409.60 × 120,274.48
  4. Step 4: Simplify right side
    180,701.44x = 29,997,609,947.01
  5. Step 5: Solve for x
    x = 29,997,609,947.01/180,701.44
  6. Step 6: Final answer
    x = 166,006.48

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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.