Home / 377,920.37-521,530.00-208,154.49

Finding the Fourth Proportional to 377,920.37, 521,530.00 and 208,154.49

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Solution

The fourth proportional to 377,920.37, 521,530.00 and 208,154.49 is: 287,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,920.37 : 521,530.00 = 208,154.49 : x
  2. Step 2: Convert to fraction form
    377,920.37/521,530.00 = 208,154.49/x
  3. Step 3: Cross multiply
    377,920.37x = 521,530.00 × 208,154.49
  4. Step 4: Simplify right side
    377,920.37x = 108,558,810,649.31
  5. Step 5: Solve for x
    x = 108,558,810,649.31/377,920.37
  6. Step 6: Final answer
    x = 287,253.14

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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.