Home / 104,320.39-156,480.59-25,435.30

Finding the Fourth Proportional to 104,320.39, 156,480.59 and 25,435.30

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Solution

The fourth proportional to 104,320.39, 156,480.59 and 25,435.30 is: 38,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.39 : 156,480.59 = 25,435.30 : x
  2. Step 2: Convert to fraction form
    104,320.39/156,480.59 = 25,435.30/x
  3. Step 3: Cross multiply
    104,320.39x = 156,480.59 × 25,435.30
  4. Step 4: Simplify right side
    104,320.39x = 3,980,130,232.45
  5. Step 5: Solve for x
    x = 3,980,130,232.45/104,320.39
  6. Step 6: Final answer
    x = 38,152.95

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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.