Home / 169,627.40-254,441.10-51,381.80

Finding the Fourth Proportional to 169,627.40, 254,441.10 and 51,381.80

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Solution

The fourth proportional to 169,627.40, 254,441.10 and 51,381.80 is: 77,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,627.40 : 254,441.10 = 51,381.80 : x
  2. Step 2: Convert to fraction form
    169,627.40/254,441.10 = 51,381.80/x
  3. Step 3: Cross multiply
    169,627.40x = 254,441.10 × 51,381.80
  4. Step 4: Simplify right side
    169,627.40x = 13,073,641,711.98
  5. Step 5: Solve for x
    x = 13,073,641,711.98/169,627.40
  6. Step 6: Final answer
    x = 77,072.70

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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.