Home / 170,508.48-235,216.08-120,236.64

Finding the Fourth Proportional to 170,508.48, 235,216.08 and 120,236.64

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Solution

The fourth proportional to 170,508.48, 235,216.08 and 120,236.64 is: 165,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,508.48 : 235,216.08 = 120,236.64 : x
  2. Step 2: Convert to fraction form
    170,508.48/235,216.08 = 120,236.64/x
  3. Step 3: Cross multiply
    170,508.48x = 235,216.08 × 120,236.64
  4. Step 4: Simplify right side
    170,508.48x = 28,281,591,133.17
  5. Step 5: Solve for x
    x = 28,281,591,133.17/170,508.48
  6. Step 6: Final answer
    x = 165,866.19

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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.