Home / 216,141.45-298,338.54-125,538.14

Finding the Fourth Proportional to 216,141.45, 298,338.54 and 125,538.14

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Solution

The fourth proportional to 216,141.45, 298,338.54 and 125,538.14 is: 173,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,141.45 : 298,338.54 = 125,538.14 : x
  2. Step 2: Convert to fraction form
    216,141.45/298,338.54 = 125,538.14/x
  3. Step 3: Cross multiply
    216,141.45x = 298,338.54 × 125,538.14
  4. Step 4: Simplify right side
    216,141.45x = 37,452,865,401.92
  5. Step 5: Solve for x
    x = 37,452,865,401.92/216,141.45
  6. Step 6: Final answer
    x = 173,279.42

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1.5x scale

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.