Home / 377,957.52-521,581.41-208,191.64

Finding the Fourth Proportional to 377,957.52, 521,581.41 and 208,191.64

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Solution

The fourth proportional to 377,957.52, 521,581.41 and 208,191.64 is: 287,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,957.52 : 521,581.41 = 208,191.64 : x
  2. Step 2: Convert to fraction form
    377,957.52/521,581.41 = 208,191.64/x
  3. Step 3: Cross multiply
    377,957.52x = 521,581.41 × 208,191.64
  4. Step 4: Simplify right side
    377,957.52x = 108,588,889,141.41
  5. Step 5: Solve for x
    x = 108,588,889,141.41/377,957.52
  6. Step 6: Final answer
    x = 287,304.48

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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.