Home / 189,136.80-283,705.20-56,037.60

Finding the Fourth Proportional to 189,136.80, 283,705.20 and 56,037.60

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Solution

The fourth proportional to 189,136.80, 283,705.20 and 56,037.60 is: 84,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,136.80 : 283,705.20 = 56,037.60 : x
  2. Step 2: Convert to fraction form
    189,136.80/283,705.20 = 56,037.60/x
  3. Step 3: Cross multiply
    189,136.80x = 283,705.20 × 56,037.60
  4. Step 4: Simplify right side
    189,136.80x = 15,898,158,515.52
  5. Step 5: Solve for x
    x = 15,898,158,515.52/189,136.80
  6. Step 6: Final answer
    x = 84,056.40

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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.