Home / 180,581.67-249,120-116,939.97

Finding the Fourth Proportional to 180,581.67, 249,120 and 116,939.97

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Solution

The fourth proportional to 180,581.67, 249,120 and 116,939.97 is: 161,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,581.67 : 249,120 = 116,939.97 : x
  2. Step 2: Convert to fraction form
    180,581.67/249,120 = 116,939.97/x
  3. Step 3: Cross multiply
    180,581.67x = 249,120 × 116,939.97
  4. Step 4: Simplify right side
    180,581.67x = 29,132,085,326.40
  5. Step 5: Solve for x
    x = 29,132,085,326.40/180,581.67
  6. Step 6: Final answer
    x = 161,323.60

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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.