Home / 389,194.24-537,075.86-228,156.54

Finding the Fourth Proportional to 389,194.24, 537,075.86 and 228,156.54

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Solution

The fourth proportional to 389,194.24, 537,075.86 and 228,156.54 is: 314,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,194.24 : 537,075.86 = 228,156.54 : x
  2. Step 2: Convert to fraction form
    389,194.24/537,075.86 = 228,156.54/x
  3. Step 3: Cross multiply
    389,194.24x = 537,075.86 × 228,156.54
  4. Step 4: Simplify right side
    389,194.24x = 122,537,369,935.12
  5. Step 5: Solve for x
    x = 122,537,369,935.12/389,194.24
  6. Step 6: Final answer
    x = 314,848.88

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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.