Home / 160,663.37-221,816.27-103,402.19

Finding the Fourth Proportional to 160,663.37, 221,816.27 and 103,402.19

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Solution

The fourth proportional to 160,663.37, 221,816.27 and 103,402.19 is: 142,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,663.37 : 221,816.27 = 103,402.19 : x
  2. Step 2: Convert to fraction form
    160,663.37/221,816.27 = 103,402.19/x
  3. Step 3: Cross multiply
    160,663.37x = 221,816.27 × 103,402.19
  4. Step 4: Simplify right side
    160,663.37x = 22,936,286,469.54
  5. Step 5: Solve for x
    x = 22,936,286,469.54/160,663.37
  6. Step 6: Final answer
    x = 142,759.90

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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.