Home / 151,517.28-209,095.32-83,536.76

Finding the Fourth Proportional to 151,517.28, 209,095.32 and 83,536.76

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Solution

The fourth proportional to 151,517.28, 209,095.32 and 83,536.76 is: 115,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,517.28 : 209,095.32 = 83,536.76 : x
  2. Step 2: Convert to fraction form
    151,517.28/209,095.32 = 83,536.76/x
  3. Step 3: Cross multiply
    151,517.28x = 209,095.32 × 83,536.76
  4. Step 4: Simplify right side
    151,517.28x = 17,467,145,563.96
  5. Step 5: Solve for x
    x = 17,467,145,563.96/151,517.28
  6. Step 6: Final answer
    x = 115,281.54

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1.5x scale

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.