Home / 104,106.49-156,159.21-25,220.72

Finding the Fourth Proportional to 104,106.49, 156,159.21 and 25,220.72

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Solution

The fourth proportional to 104,106.49, 156,159.21 and 25,220.72 is: 37,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,106.49 : 156,159.21 = 25,220.72 : x
  2. Step 2: Convert to fraction form
    104,106.49/156,159.21 = 25,220.72/x
  3. Step 3: Cross multiply
    104,106.49x = 156,159.21 × 25,220.72
  4. Step 4: Simplify right side
    104,106.49x = 3,938,447,710.83
  5. Step 5: Solve for x
    x = 3,938,447,710.83/104,106.49
  6. Step 6: Final answer
    x = 37,830.95

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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.