Home / 316,107.37-436,228.14-172,867.51

Finding the Fourth Proportional to 316,107.37, 436,228.14 and 172,867.51

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Solution

The fourth proportional to 316,107.37, 436,228.14 and 172,867.51 is: 238,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,107.37 : 436,228.14 = 172,867.51 : x
  2. Step 2: Convert to fraction form
    316,107.37/436,228.14 = 172,867.51/x
  3. Step 3: Cross multiply
    316,107.37x = 436,228.14 × 172,867.51
  4. Step 4: Simplify right side
    316,107.37x = 75,409,670,172.59
  5. Step 5: Solve for x
    x = 75,409,670,172.59/316,107.37
  6. Step 6: Final answer
    x = 238,557.14

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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.