Home / 163,732.16-245,454.60-135,883.28

Finding the Fourth Proportional to 163,732.16, 245,454.60 and 135,883.28

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Solution

The fourth proportional to 163,732.16, 245,454.60 and 135,883.28 is: 203,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,732.16 : 245,454.60 = 135,883.28 : x
  2. Step 2: Convert to fraction form
    163,732.16/245,454.60 = 135,883.28/x
  3. Step 3: Cross multiply
    163,732.16x = 245,454.60 × 135,883.28
  4. Step 4: Simplify right side
    163,732.16x = 33,353,176,139.09
  5. Step 5: Solve for x
    x = 33,353,176,139.09/163,732.16
  6. Step 6: Final answer
    x = 203,705.71

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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.