Home / 272,536.38-376,100.20-151,706.21

Finding the Fourth Proportional to 272,536.38, 376,100.20 and 151,706.21

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Solution

The fourth proportional to 272,536.38, 376,100.20 and 151,706.21 is: 209,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,536.38 : 376,100.20 = 151,706.21 : x
  2. Step 2: Convert to fraction form
    272,536.38/376,100.20 = 151,706.21/x
  3. Step 3: Cross multiply
    272,536.38x = 376,100.20 × 151,706.21
  4. Step 4: Simplify right side
    272,536.38x = 57,056,736,301.51
  5. Step 5: Solve for x
    x = 57,056,736,301.51/272,536.38
  6. Step 6: Final answer
    x = 209,354.57

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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.