Home / 272,580.42-376,160.99-151,719.11

Finding the Fourth Proportional to 272,580.42, 376,160.99 and 151,719.11

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Solution

The fourth proportional to 272,580.42, 376,160.99 and 151,719.11 is: 209,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,580.42 : 376,160.99 = 151,719.11 : x
  2. Step 2: Convert to fraction form
    272,580.42/376,160.99 = 151,719.11/x
  3. Step 3: Cross multiply
    272,580.42x = 376,160.99 × 151,719.11
  4. Step 4: Simplify right side
    272,580.42x = 57,070,811,939.22
  5. Step 5: Solve for x
    x = 57,070,811,939.22/272,580.42
  6. Step 6: Final answer
    x = 209,372.38

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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.