Home / 316,444.08-436,691.76-171,249.60

Finding the Fourth Proportional to 316,444.08, 436,691.76 and 171,249.60

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Solution

The fourth proportional to 316,444.08, 436,691.76 and 171,249.60 is: 236,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,444.08 : 436,691.76 = 171,249.60 : x
  2. Step 2: Convert to fraction form
    316,444.08/436,691.76 = 171,249.60/x
  3. Step 3: Cross multiply
    316,444.08x = 436,691.76 × 171,249.60
  4. Step 4: Simplify right side
    316,444.08x = 74,783,289,223.30
  5. Step 5: Solve for x
    x = 74,783,289,223.30/316,444.08
  6. Step 6: Final answer
    x = 236,323.87

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1.5x scale

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.