Home / 272,582.60-376,163.96-151,721.28

Finding the Fourth Proportional to 272,582.60, 376,163.96 and 151,721.28

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Solution

The fourth proportional to 272,582.60, 376,163.96 and 151,721.28 is: 209,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,582.60 : 376,163.96 = 151,721.28 : x
  2. Step 2: Convert to fraction form
    272,582.60/376,163.96 = 151,721.28/x
  3. Step 3: Cross multiply
    272,582.60x = 376,163.96 × 151,721.28
  4. Step 4: Simplify right side
    272,582.60x = 57,072,076,742.46
  5. Step 5: Solve for x
    x = 57,072,076,742.46/272,582.60
  6. Step 6: Final answer
    x = 209,375.35

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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.