Home / 180,912.75-249,496.22-112,936.01

Finding the Fourth Proportional to 180,912.75, 249,496.22 and 112,936.01

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Solution

The fourth proportional to 180,912.75, 249,496.22 and 112,936.01 is: 155,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,912.75 : 249,496.22 = 112,936.01 : x
  2. Step 2: Convert to fraction form
    180,912.75/249,496.22 = 112,936.01/x
  3. Step 3: Cross multiply
    180,912.75x = 249,496.22 × 112,936.01
  4. Step 4: Simplify right side
    180,912.75x = 28,177,108,502.96
  5. Step 5: Solve for x
    x = 28,177,108,502.96/180,912.75
  6. Step 6: Final answer
    x = 155,749.71

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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.