Home / 528,189.21-792,269.91-149,136.18

Finding the Fourth Proportional to 528,189.21, 792,269.91 and 149,136.18

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Solution

The fourth proportional to 528,189.21, 792,269.91 and 149,136.18 is: 223,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,189.21 : 792,269.91 = 149,136.18 : x
  2. Step 2: Convert to fraction form
    528,189.21/792,269.91 = 149,136.18/x
  3. Step 3: Cross multiply
    528,189.21x = 792,269.91 × 149,136.18
  4. Step 4: Simplify right side
    528,189.21x = 118,156,107,906.34
  5. Step 5: Solve for x
    x = 118,156,107,906.34/528,189.21
  6. Step 6: Final answer
    x = 223,700.34

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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.