Home / 316,478.00-436,700.97-252,111.15

Finding the Fourth Proportional to 316,478.00, 436,700.97 and 252,111.15

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Solution

The fourth proportional to 316,478.00, 436,700.97 and 252,111.15 is: 347,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,478.00 : 436,700.97 = 252,111.15 : x
  2. Step 2: Convert to fraction form
    316,478.00/436,700.97 = 252,111.15/x
  3. Step 3: Cross multiply
    316,478.00x = 436,700.97 × 252,111.15
  4. Step 4: Simplify right side
    316,478.00x = 110,097,183,752.82
  5. Step 5: Solve for x
    x = 110,097,183,752.82/316,478.00
  6. Step 6: Final answer
    x = 347,882.58

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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.