Home / 114,631.20-171,946.80-106,855.20

Finding the Fourth Proportional to 114,631.20, 171,946.80 and 106,855.20

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Solution

The fourth proportional to 114,631.20, 171,946.80 and 106,855.20 is: 160,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,631.20 : 171,946.80 = 106,855.20 : x
  2. Step 2: Convert to fraction form
    114,631.20/171,946.80 = 106,855.20/x
  3. Step 3: Cross multiply
    114,631.20x = 171,946.80 × 106,855.20
  4. Step 4: Simplify right side
    114,631.20x = 18,373,409,703.36
  5. Step 5: Solve for x
    x = 18,373,409,703.36/114,631.20
  6. Step 6: Final answer
    x = 160,282.80

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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.