Home / 316,311.04-436,514.70-173,083.60

Finding the Fourth Proportional to 316,311.04, 436,514.70 and 173,083.60

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Solution

The fourth proportional to 316,311.04, 436,514.70 and 173,083.60 is: 238,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,311.04 : 436,514.70 = 173,083.60 : x
  2. Step 2: Convert to fraction form
    316,311.04/436,514.70 = 173,083.60/x
  3. Step 3: Cross multiply
    316,311.04x = 436,514.70 × 173,083.60
  4. Step 4: Simplify right side
    316,311.04x = 75,553,535,728.92
  5. Step 5: Solve for x
    x = 75,553,535,728.92/316,311.04
  6. Step 6: Final answer
    x = 238,858.36

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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.