Home / 349,518.18-482,330.50-196,556.32

Finding the Fourth Proportional to 349,518.18, 482,330.50 and 196,556.32

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Solution

The fourth proportional to 349,518.18, 482,330.50 and 196,556.32 is: 271,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,518.18 : 482,330.50 = 196,556.32 : x
  2. Step 2: Convert to fraction form
    349,518.18/482,330.50 = 196,556.32/x
  3. Step 3: Cross multiply
    349,518.18x = 482,330.50 × 196,556.32
  4. Step 4: Simplify right side
    349,518.18x = 94,805,108,583.83
  5. Step 5: Solve for x
    x = 94,805,108,583.83/349,518.18
  6. Step 6: Final answer
    x = 271,245.14

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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.