Home / 320,156.92-480,084.66-187,075.60

Finding the Fourth Proportional to 320,156.92, 480,084.66 and 187,075.60

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Solution

The fourth proportional to 320,156.92, 480,084.66 and 187,075.60 is: 280,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,156.92 : 480,084.66 = 187,075.60 : x
  2. Step 2: Convert to fraction form
    320,156.92/480,084.66 = 187,075.60/x
  3. Step 3: Cross multiply
    320,156.92x = 480,084.66 × 187,075.60
  4. Step 4: Simplify right side
    320,156.92x = 89,812,125,820.30
  5. Step 5: Solve for x
    x = 89,812,125,820.30/320,156.92
  6. Step 6: Final answer
    x = 280,525.33

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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.