Home / 292,584.76-439,003.90-103,180.45

Finding the Fourth Proportional to 292,584.76, 439,003.90 and 103,180.45

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Solution

The fourth proportional to 292,584.76, 439,003.90 and 103,180.45 is: 154,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,584.76 : 439,003.90 = 103,180.45 : x
  2. Step 2: Convert to fraction form
    292,584.76/439,003.90 = 103,180.45/x
  3. Step 3: Cross multiply
    292,584.76x = 439,003.90 × 103,180.45
  4. Step 4: Simplify right side
    292,584.76x = 45,296,619,808.35
  5. Step 5: Solve for x
    x = 45,296,619,808.35/292,584.76
  6. Step 6: Final answer
    x = 154,815.38

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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.