Home / 319,172.05-440,333.85-183,156.85

Finding the Fourth Proportional to 319,172.05, 440,333.85 and 183,156.85

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Solution

The fourth proportional to 319,172.05, 440,333.85 and 183,156.85 is: 252,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,172.05 : 440,333.85 = 183,156.85 : x
  2. Step 2: Convert to fraction form
    319,172.05/440,333.85 = 183,156.85/x
  3. Step 3: Cross multiply
    319,172.05x = 440,333.85 × 183,156.85
  4. Step 4: Simplify right side
    319,172.05x = 80,650,160,914.37
  5. Step 5: Solve for x
    x = 80,650,160,914.37/319,172.05
  6. Step 6: Final answer
    x = 252,685.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.