Home / 116,558.40-174,837.60-61,147.20

Finding the Fourth Proportional to 116,558.40, 174,837.60 and 61,147.20

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Solution

The fourth proportional to 116,558.40, 174,837.60 and 61,147.20 is: 91,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,558.40 : 174,837.60 = 61,147.20 : x
  2. Step 2: Convert to fraction form
    116,558.40/174,837.60 = 61,147.20/x
  3. Step 3: Cross multiply
    116,558.40x = 174,837.60 × 61,147.20
  4. Step 4: Simplify right side
    116,558.40x = 10,690,829,694.72
  5. Step 5: Solve for x
    x = 10,690,829,694.72/116,558.40
  6. Step 6: Final answer
    x = 91,720.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.