Home / 483,136.11-724,742.30-128,150.23

Finding the Fourth Proportional to 483,136.11, 724,742.30 and 128,150.23

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Solution

The fourth proportional to 483,136.11, 724,742.30 and 128,150.23 is: 192,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,136.11 : 724,742.30 = 128,150.23 : x
  2. Step 2: Convert to fraction form
    483,136.11/724,742.30 = 128,150.23/x
  3. Step 3: Cross multiply
    483,136.11x = 724,742.30 × 128,150.23
  4. Step 4: Simplify right side
    483,136.11x = 92,875,892,435.73
  5. Step 5: Solve for x
    x = 92,875,892,435.73/483,136.11
  6. Step 6: Final answer
    x = 192,235.46

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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.