Home / 135,664.48-203,499-46,920.28

Finding the Fourth Proportional to 135,664.48, 203,499 and 46,920.28

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Solution

The fourth proportional to 135,664.48, 203,499 and 46,920.28 is: 70,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,664.48 : 203,499 = 46,920.28 : x
  2. Step 2: Convert to fraction form
    135,664.48/203,499 = 46,920.28/x
  3. Step 3: Cross multiply
    135,664.48x = 203,499 × 46,920.28
  4. Step 4: Simplify right side
    135,664.48x = 9,548,230,059.72
  5. Step 5: Solve for x
    x = 9,548,230,059.72/135,664.48
  6. Step 6: Final answer
    x = 70,381.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.