Home / 305,209.72-457,909.86-183,763.38

Finding the Fourth Proportional to 305,209.72, 457,909.86 and 183,763.38

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Solution

The fourth proportional to 305,209.72, 457,909.86 and 183,763.38 is: 275,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,209.72 : 457,909.86 = 183,763.38 : x
  2. Step 2: Convert to fraction form
    305,209.72/457,909.86 = 183,763.38/x
  3. Step 3: Cross multiply
    305,209.72x = 457,909.86 × 183,763.38
  4. Step 4: Simplify right side
    305,209.72x = 84,147,064,981.53
  5. Step 5: Solve for x
    x = 84,147,064,981.53/305,209.72
  6. Step 6: Final answer
    x = 275,702.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.