Home / 170,631.08-255,946.62-87,472.04

Finding the Fourth Proportional to 170,631.08, 255,946.62 and 87,472.04

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Solution

The fourth proportional to 170,631.08, 255,946.62 and 87,472.04 is: 131,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,631.08 : 255,946.62 = 87,472.04 : x
  2. Step 2: Convert to fraction form
    170,631.08/255,946.62 = 87,472.04/x
  3. Step 3: Cross multiply
    170,631.08x = 255,946.62 × 87,472.04
  4. Step 4: Simplify right side
    170,631.08x = 22,388,172,982.50
  5. Step 5: Solve for x
    x = 22,388,172,982.50/170,631.08
  6. Step 6: Final answer
    x = 131,208.06

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1.5x scale

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.