Home / 316,349.65-436,562.50-173,109.71

Finding the Fourth Proportional to 316,349.65, 436,562.50 and 173,109.71

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Solution

The fourth proportional to 316,349.65, 436,562.50 and 173,109.71 is: 238,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,349.65 : 436,562.50 = 173,109.71 : x
  2. Step 2: Convert to fraction form
    316,349.65/436,562.50 = 173,109.71/x
  3. Step 3: Cross multiply
    316,349.65x = 436,562.50 × 173,109.71
  4. Step 4: Simplify right side
    316,349.65x = 75,573,207,771.88
  5. Step 5: Solve for x
    x = 75,573,207,771.88/316,349.65
  6. Step 6: Final answer
    x = 238,891.39

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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.