Home / 228,221.51-314,839.55-147,675.03

Finding the Fourth Proportional to 228,221.51, 314,839.55 and 147,675.03

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Solution

The fourth proportional to 228,221.51, 314,839.55 and 147,675.03 is: 203,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,221.51 : 314,839.55 = 147,675.03 : x
  2. Step 2: Convert to fraction form
    228,221.51/314,839.55 = 147,675.03/x
  3. Step 3: Cross multiply
    228,221.51x = 314,839.55 × 147,675.03
  4. Step 4: Simplify right side
    228,221.51x = 46,493,939,253.06
  5. Step 5: Solve for x
    x = 46,493,939,253.06/228,221.51
  6. Step 6: Final answer
    x = 203,722.87

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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.