Home / 125,634.96-188,423.64-75,048.24

Finding the Fourth Proportional to 125,634.96, 188,423.64 and 75,048.24

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Solution

The fourth proportional to 125,634.96, 188,423.64 and 75,048.24 is: 112,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,634.96 : 188,423.64 = 75,048.24 : x
  2. Step 2: Convert to fraction form
    125,634.96/188,423.64 = 75,048.24/x
  3. Step 3: Cross multiply
    125,634.96x = 188,423.64 × 75,048.24
  4. Step 4: Simplify right side
    125,634.96x = 14,140,862,556.39
  5. Step 5: Solve for x
    x = 14,140,862,556.39/125,634.96
  6. Step 6: Final answer
    x = 112,555.16

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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.