Home / 251,746.80-377,675.76-83,319.60

Finding the Fourth Proportional to 251,746.80, 377,675.76 and 83,319.60

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Solution

The fourth proportional to 251,746.80, 377,675.76 and 83,319.60 is: 124,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,746.80 : 377,675.76 = 83,319.60 : x
  2. Step 2: Convert to fraction form
    251,746.80/377,675.76 = 83,319.60/x
  3. Step 3: Cross multiply
    251,746.80x = 377,675.76 × 83,319.60
  4. Step 4: Simplify right side
    251,746.80x = 31,467,793,252.90
  5. Step 5: Solve for x
    x = 31,467,793,252.90/251,746.80
  6. Step 6: Final answer
    x = 124,997.79

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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.