Home / 160,168.92-221,033.51-87,576.50

Finding the Fourth Proportional to 160,168.92, 221,033.51 and 87,576.50

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Solution

The fourth proportional to 160,168.92, 221,033.51 and 87,576.50 is: 120,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,168.92 : 221,033.51 = 87,576.50 : x
  2. Step 2: Convert to fraction form
    160,168.92/221,033.51 = 87,576.50/x
  3. Step 3: Cross multiply
    160,168.92x = 221,033.51 × 87,576.50
  4. Step 4: Simplify right side
    160,168.92x = 19,357,341,188.52
  5. Step 5: Solve for x
    x = 19,357,341,188.52/160,168.92
  6. Step 6: Final answer
    x = 120,855.79

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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.