Home / 114,136.20-171,235.80-47,607.60

Finding the Fourth Proportional to 114,136.20, 171,235.80 and 47,607.60

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Solution

The fourth proportional to 114,136.20, 171,235.80 and 47,607.60 is: 71,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,136.20 : 171,235.80 = 47,607.60 : x
  2. Step 2: Convert to fraction form
    114,136.20/171,235.80 = 47,607.60/x
  3. Step 3: Cross multiply
    114,136.20x = 171,235.80 × 47,607.60
  4. Step 4: Simplify right side
    114,136.20x = 8,152,125,472.08
  5. Step 5: Solve for x
    x = 8,152,125,472.08/114,136.20
  6. Step 6: Final answer
    x = 71,424.54

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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.