Home / 235,434.57-324,912.98-128,002.29

Finding the Fourth Proportional to 235,434.57, 324,912.98 and 128,002.29

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Solution

The fourth proportional to 235,434.57, 324,912.98 and 128,002.29 is: 176,650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,434.57 : 324,912.98 = 128,002.29 : x
  2. Step 2: Convert to fraction form
    235,434.57/324,912.98 = 128,002.29/x
  3. Step 3: Cross multiply
    235,434.57x = 324,912.98 × 128,002.29
  4. Step 4: Simplify right side
    235,434.57x = 41,589,604,592.31
  5. Step 5: Solve for x
    x = 41,589,604,592.31/235,434.57
  6. Step 6: Final answer
    x = 176,650.38

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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.