Home / 116,211.92-160,425.56-89,345.03

Finding the Fourth Proportional to 116,211.92, 160,425.56 and 89,345.03

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Solution

The fourth proportional to 116,211.92, 160,425.56 and 89,345.03 is: 123,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,211.92 : 160,425.56 = 89,345.03 : x
  2. Step 2: Convert to fraction form
    116,211.92/160,425.56 = 89,345.03/x
  3. Step 3: Cross multiply
    116,211.92x = 160,425.56 × 89,345.03
  4. Step 4: Simplify right side
    116,211.92x = 14,333,225,892.20
  5. Step 5: Solve for x
    x = 14,333,225,892.20/116,211.92
  6. Step 6: Final answer
    x = 123,336.97

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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.