Home / 166,929.72-230,235.91-143,685.74

Finding the Fourth Proportional to 166,929.72, 230,235.91 and 143,685.74

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Solution

The fourth proportional to 166,929.72, 230,235.91 and 143,685.74 is: 198,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,929.72 : 230,235.91 = 143,685.74 : x
  2. Step 2: Convert to fraction form
    166,929.72/230,235.91 = 143,685.74/x
  3. Step 3: Cross multiply
    166,929.72x = 230,235.91 × 143,685.74
  4. Step 4: Simplify right side
    166,929.72x = 33,081,617,102.92
  5. Step 5: Solve for x
    x = 33,081,617,102.92/166,929.72
  6. Step 6: Final answer
    x = 198,176.92

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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.