Home / 116,208.80-174,428.40-57,111.20

Finding the Fourth Proportional to 116,208.80, 174,428.40 and 57,111.20

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Solution

The fourth proportional to 116,208.80, 174,428.40 and 57,111.20 is: 85,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,208.80 : 174,428.40 = 57,111.20 : x
  2. Step 2: Convert to fraction form
    116,208.80/174,428.40 = 57,111.20/x
  3. Step 3: Cross multiply
    116,208.80x = 174,428.40 × 57,111.20
  4. Step 4: Simplify right side
    116,208.80x = 9,961,815,238.08
  5. Step 5: Solve for x
    x = 9,961,815,238.08/116,208.80
  6. Step 6: Final answer
    x = 85,723.42

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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.