Home / 316,000.44-436,091.04-172,764.36

Finding the Fourth Proportional to 316,000.44, 436,091.04 and 172,764.36

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Solution

The fourth proportional to 316,000.44, 436,091.04 and 172,764.36 is: 238,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,000.44 : 436,091.04 = 172,764.36 : x
  2. Step 2: Convert to fraction form
    316,000.44/436,091.04 = 172,764.36/x
  3. Step 3: Cross multiply
    316,000.44x = 436,091.04 × 172,764.36
  4. Step 4: Simplify right side
    316,000.44x = 75,340,989,427.33
  5. Step 5: Solve for x
    x = 75,340,989,427.33/316,000.44
  6. Step 6: Final answer
    x = 238,420.52

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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.