Home / 166,931.52-250,407.84-67,078.32

Finding the Fourth Proportional to 166,931.52, 250,407.84 and 67,078.32

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Solution

The fourth proportional to 166,931.52, 250,407.84 and 67,078.32 is: 100,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,931.52 : 250,407.84 = 67,078.32 : x
  2. Step 2: Convert to fraction form
    166,931.52/250,407.84 = 67,078.32/x
  3. Step 3: Cross multiply
    166,931.52x = 250,407.84 × 67,078.32
  4. Step 4: Simplify right side
    166,931.52x = 16,796,937,222.03
  5. Step 5: Solve for x
    x = 16,796,937,222.03/166,931.52
  6. Step 6: Final answer
    x = 100,621.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.