Home / 459,136.58-688,703.99-122,177.25

Finding the Fourth Proportional to 459,136.58, 688,703.99 and 122,177.25

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Solution

The fourth proportional to 459,136.58, 688,703.99 and 122,177.25 is: 183,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,136.58 : 688,703.99 = 122,177.25 : x
  2. Step 2: Convert to fraction form
    459,136.58/688,703.99 = 122,177.25/x
  3. Step 3: Cross multiply
    459,136.58x = 688,703.99 × 122,177.25
  4. Step 4: Simplify right side
    459,136.58x = 84,143,958,951.34
  5. Step 5: Solve for x
    x = 84,143,958,951.34/459,136.58
  6. Step 6: Final answer
    x = 183,265.64

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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.