Home / 268,336.36-370,339.28-173,120.04

Finding the Fourth Proportional to 268,336.36, 370,339.28 and 173,120.04

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Solution

The fourth proportional to 268,336.36, 370,339.28 and 173,120.04 is: 238,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336.36 : 370,339.28 = 173,120.04 : x
  2. Step 2: Convert to fraction form
    268,336.36/370,339.28 = 173,120.04/x
  3. Step 3: Cross multiply
    268,336.36x = 370,339.28 × 173,120.04
  4. Step 4: Simplify right side
    268,336.36x = 64,113,150,967.17
  5. Step 5: Solve for x
    x = 64,113,150,967.17/268,336.36
  6. Step 6: Final answer
    x = 238,928.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.