Home / 116,345.56-160,552.66-71,099.28

Finding the Fourth Proportional to 116,345.56, 160,552.66 and 71,099.28

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Solution

The fourth proportional to 116,345.56, 160,552.66 and 71,099.28 is: 98,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,345.56 : 160,552.66 = 71,099.28 : x
  2. Step 2: Convert to fraction form
    116,345.56/160,552.66 = 71,099.28/x
  3. Step 3: Cross multiply
    116,345.56x = 160,552.66 × 71,099.28
  4. Step 4: Simplify right side
    116,345.56x = 11,415,178,528.08
  5. Step 5: Solve for x
    x = 11,415,178,528.08/116,345.56
  6. Step 6: Final answer
    x = 98,114.43

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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.