Home / 153,327.12-228,824.79-143,175.03

Finding the Fourth Proportional to 153,327.12, 228,824.79 and 143,175.03

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Solution

The fourth proportional to 153,327.12, 228,824.79 and 143,175.03 is: 213,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,327.12 : 228,824.79 = 143,175.03 : x
  2. Step 2: Convert to fraction form
    153,327.12/228,824.79 = 143,175.03/x
  3. Step 3: Cross multiply
    153,327.12x = 228,824.79 × 143,175.03
  4. Step 4: Simplify right side
    153,327.12x = 32,761,996,172.99
  5. Step 5: Solve for x
    x = 32,761,996,172.99/153,327.12
  6. Step 6: Final answer
    x = 213,673.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.