Home / 160,035.46-220,846.36-87,436.79

Finding the Fourth Proportional to 160,035.46, 220,846.36 and 87,436.79

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Solution

The fourth proportional to 160,035.46, 220,846.36 and 87,436.79 is: 120,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,035.46 : 220,846.36 = 87,436.79 : x
  2. Step 2: Convert to fraction form
    160,035.46/220,846.36 = 87,436.79/x
  3. Step 3: Cross multiply
    160,035.46x = 220,846.36 × 87,436.79
  4. Step 4: Simplify right side
    160,035.46x = 19,310,097,171.24
  5. Step 5: Solve for x
    x = 19,310,097,171.24/160,035.46
  6. Step 6: Final answer
    x = 120,661.37

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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.