Home / 274,347.21-378,526.14-188,332.50

Finding the Fourth Proportional to 274,347.21, 378,526.14 and 188,332.50

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Solution

The fourth proportional to 274,347.21, 378,526.14 and 188,332.50 is: 259,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,347.21 : 378,526.14 = 188,332.50 : x
  2. Step 2: Convert to fraction form
    274,347.21/378,526.14 = 188,332.50/x
  3. Step 3: Cross multiply
    274,347.21x = 378,526.14 × 188,332.50
  4. Step 4: Simplify right side
    274,347.21x = 71,288,774,261.55
  5. Step 5: Solve for x
    x = 71,288,774,261.55/274,347.21
  6. Step 6: Final answer
    x = 259,848.73

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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.