Home / 272,790.08-376,462.05-151,931.42

Finding the Fourth Proportional to 272,790.08, 376,462.05 and 151,931.42

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Solution

The fourth proportional to 272,790.08, 376,462.05 and 151,931.42 is: 209,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,790.08 : 376,462.05 = 151,931.42 : x
  2. Step 2: Convert to fraction form
    272,790.08/376,462.05 = 151,931.42/x
  3. Step 3: Cross multiply
    272,790.08x = 376,462.05 × 151,931.42
  4. Step 4: Simplify right side
    272,790.08x = 57,196,414,204.02
  5. Step 5: Solve for x
    x = 57,196,414,204.02/272,790.08
  6. Step 6: Final answer
    x = 209,671.90

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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.