Home / 235,938.52-325,583.94-128,508.04

Finding the Fourth Proportional to 235,938.52, 325,583.94 and 128,508.04

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Solution

The fourth proportional to 235,938.52, 325,583.94 and 128,508.04 is: 177,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,938.52 : 325,583.94 = 128,508.04 : x
  2. Step 2: Convert to fraction form
    235,938.52/325,583.94 = 128,508.04/x
  3. Step 3: Cross multiply
    235,938.52x = 325,583.94 × 128,508.04
  4. Step 4: Simplify right side
    235,938.52x = 41,840,153,984.88
  5. Step 5: Solve for x
    x = 41,840,153,984.88/235,938.52
  6. Step 6: Final answer
    x = 177,334.99

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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.