Home / 116,988.14-161,443.64-63,273.16

Finding the Fourth Proportional to 116,988.14, 161,443.64 and 63,273.16

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Solution

The fourth proportional to 116,988.14, 161,443.64 and 63,273.16 is: 87,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,988.14 : 161,443.64 = 63,273.16 : x
  2. Step 2: Convert to fraction form
    116,988.14/161,443.64 = 63,273.16/x
  3. Step 3: Cross multiply
    116,988.14x = 161,443.64 × 63,273.16
  4. Step 4: Simplify right side
    116,988.14x = 10,215,049,264.70
  5. Step 5: Solve for x
    x = 10,215,049,264.70/116,988.14
  6. Step 6: Final answer
    x = 87,316.96

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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.