Home / 316,358.78-436,575.15-173,118.85

Finding the Fourth Proportional to 316,358.78, 436,575.15 and 173,118.85

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Solution

The fourth proportional to 316,358.78, 436,575.15 and 173,118.85 is: 238,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,358.78 : 436,575.15 = 173,118.85 : x
  2. Step 2: Convert to fraction form
    316,358.78/436,575.15 = 173,118.85/x
  3. Step 3: Cross multiply
    316,358.78x = 436,575.15 × 173,118.85
  4. Step 4: Simplify right side
    316,358.78x = 75,579,385,723.70
  5. Step 5: Solve for x
    x = 75,579,385,723.70/316,358.78
  6. Step 6: Final answer
    x = 238,904.02

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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.