Home / 236,839.20-354,675.60-112,034.40

Finding the Fourth Proportional to 236,839.20, 354,675.60 and 112,034.40

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Solution

The fourth proportional to 236,839.20, 354,675.60 and 112,034.40 is: 167,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,839.20 : 354,675.60 = 112,034.40 : x
  2. Step 2: Convert to fraction form
    236,839.20/354,675.60 = 112,034.40/x
  3. Step 3: Cross multiply
    236,839.20x = 354,675.60 × 112,034.40
  4. Step 4: Simplify right side
    236,839.20x = 39,735,868,040.64
  5. Step 5: Solve for x
    x = 39,735,868,040.64/236,839.20
  6. Step 6: Final answer
    x = 167,775.72

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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.