Home / 302,548.30-453,612.35-133,976.77

Finding the Fourth Proportional to 302,548.30, 453,612.35 and 133,976.77

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Solution

The fourth proportional to 302,548.30, 453,612.35 and 133,976.77 is: 200,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,548.30 : 453,612.35 = 133,976.77 : x
  2. Step 2: Convert to fraction form
    302,548.30/453,612.35 = 133,976.77/x
  3. Step 3: Cross multiply
    302,548.30x = 453,612.35 × 133,976.77
  4. Step 4: Simplify right side
    302,548.30x = 60,773,516,686.02
  5. Step 5: Solve for x
    x = 60,773,516,686.02/302,548.30
  6. Step 6: Final answer
    x = 200,872.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.