Home / 377,272.08-520,673.67-216,148.50

Finding the Fourth Proportional to 377,272.08, 520,673.67 and 216,148.50

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Solution

The fourth proportional to 377,272.08, 520,673.67 and 216,148.50 is: 298,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,272.08 : 520,673.67 = 216,148.50 : x
  2. Step 2: Convert to fraction form
    377,272.08/520,673.67 = 216,148.50/x
  3. Step 3: Cross multiply
    377,272.08x = 520,673.67 × 216,148.50
  4. Step 4: Simplify right side
    377,272.08x = 112,542,832,760.00
  5. Step 5: Solve for x
    x = 112,542,832,760.00/377,272.08
  6. Step 6: Final answer
    x = 298,306.82

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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.