Home / 180,581.17-249,119.31-116,939.47

Finding the Fourth Proportional to 180,581.17, 249,119.31 and 116,939.47

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Solution

The fourth proportional to 180,581.17, 249,119.31 and 116,939.47 is: 161,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,581.17 : 249,119.31 = 116,939.47 : x
  2. Step 2: Convert to fraction form
    180,581.17/249,119.31 = 116,939.47/x
  3. Step 3: Cross multiply
    180,581.17x = 249,119.31 × 116,939.47
  4. Step 4: Simplify right side
    180,581.17x = 29,131,880,078.17
  5. Step 5: Solve for x
    x = 29,131,880,078.17/180,581.17
  6. Step 6: Final answer
    x = 161,322.91

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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.