Home / 125,344.23-188,073.75-54,288.60

Finding the Fourth Proportional to 125,344.23, 188,073.75 and 54,288.60

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Solution

The fourth proportional to 125,344.23, 188,073.75 and 54,288.60 is: 81,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,344.23 : 188,073.75 = 54,288.60 : x
  2. Step 2: Convert to fraction form
    125,344.23/188,073.75 = 54,288.60/x
  3. Step 3: Cross multiply
    125,344.23x = 188,073.75 × 54,288.60
  4. Step 4: Simplify right side
    125,344.23x = 10,210,259,916.24
  5. Step 5: Solve for x
    x = 10,210,259,916.24/125,344.23
  6. Step 6: Final answer
    x = 81,457.76

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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.