Home / 152,021.70-228,032.55-46,872.90

Finding the Fourth Proportional to 152,021.70, 228,032.55 and 46,872.90

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Solution

The fourth proportional to 152,021.70, 228,032.55 and 46,872.90 is: 70,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,021.70 : 228,032.55 = 46,872.90 : x
  2. Step 2: Convert to fraction form
    152,021.70/228,032.55 = 46,872.90/x
  3. Step 3: Cross multiply
    152,021.70x = 228,032.55 × 46,872.90
  4. Step 4: Simplify right side
    152,021.70x = 10,688,546,912.90
  5. Step 5: Solve for x
    x = 10,688,546,912.90/152,021.70
  6. Step 6: Final answer
    x = 70,309.35

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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.