Home / 317,450.07-438,093.72-174,215.28

Finding the Fourth Proportional to 317,450.07, 438,093.72 and 174,215.28

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Solution

The fourth proportional to 317,450.07, 438,093.72 and 174,215.28 is: 240,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,450.07 : 438,093.72 = 174,215.28 : x
  2. Step 2: Convert to fraction form
    317,450.07/438,093.72 = 174,215.28/x
  3. Step 3: Cross multiply
    317,450.07x = 438,093.72 × 174,215.28
  4. Step 4: Simplify right side
    317,450.07x = 76,322,620,096.04
  5. Step 5: Solve for x
    x = 76,322,620,096.04/317,450.07
  6. Step 6: Final answer
    x = 240,424.01

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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.