Home / 272,886.39-376,573.73-152,021.43

Finding the Fourth Proportional to 272,886.39, 376,573.73 and 152,021.43

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Solution

The fourth proportional to 272,886.39, 376,573.73 and 152,021.43 is: 209,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,886.39 : 376,573.73 = 152,021.43 : x
  2. Step 2: Convert to fraction form
    272,886.39/376,573.73 = 152,021.43/x
  3. Step 3: Cross multiply
    272,886.39x = 376,573.73 × 152,021.43
  4. Step 4: Simplify right side
    272,886.39x = 57,247,276,174.93
  5. Step 5: Solve for x
    x = 57,247,276,174.93/272,886.39
  6. Step 6: Final answer
    x = 209,784.28

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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.