Home / 116,419.12-160,538.75-97,291.76

Finding the Fourth Proportional to 116,419.12, 160,538.75 and 97,291.76

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Solution

The fourth proportional to 116,419.12, 160,538.75 and 97,291.76 is: 134,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,419.12 : 160,538.75 = 97,291.76 : x
  2. Step 2: Convert to fraction form
    116,419.12/160,538.75 = 97,291.76/x
  3. Step 3: Cross multiply
    116,419.12x = 160,538.75 × 97,291.76
  4. Step 4: Simplify right side
    116,419.12x = 15,619,096,733.01
  5. Step 5: Solve for x
    x = 15,619,096,733.01/116,419.12
  6. Step 6: Final answer
    x = 134,162.65

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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.